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Best Sensor Door Bell

Wireless Door Chime, Wireless Voice 2-Way Intercom Doorbell Access Control System with 300m / 984.3ft Range Adjustable Volume Low Power Consumption Easy Installation for Office Home Store

  • ... used with an external USB data cable..
  • ♪【1-N PAIRED OUTDOOR ELECTRIC BELL】---Outdoor-bell pair with indoor-bell by learning its code, 1 outdoor-bell can paired with N indoor-bells and no interference each other. Please install after pairing. Insert the receiver into the socket, remove the tape behind the door sensor, and paste it on the door..
  • ♪【PROFESSIONAL DESIGN】---The loudspeaker is large and adjustable, the sound is clear, and it can be used as a mobile phone intercom. The working distance is long, the maximum opening distance can reach 300m / 984.3ft, which is very suitable for business, office, hotel and apartment..
  • ♪【24-HOUR CUSTOMER SERVICE】---Our wireless doorbell is an access system designed for families and hotel apartments to ensure superior quality and ensure your safety. If you encounter any problems, please contact us via Amazon email and we will reply within 24 hours..
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WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices

  • Smart Security Sensor: TESSAN door and window alarm sensor is designed to monitor the open or close status of any entrance.
  • An alert notification will automatic send to you in 10 seconds once the sensor triggered.
  • Ideal for front door, window, baby room, garage and more.
  • Door status and battery power can be check in app.
  • Programmable Sensor: Extend your smart home automation with TESSAN wifi door sensor.
  • Automatically turn on your smart wall switches or lights when door opened.
  • Automatically turn off your air-condition when window opened.
  • More smart devices can be sync as long as they compatible with Smart Life app.
  • Support 2.4Ghz Wifi only, dual-band (2.4G and 5G) WiFf need to set a separate 2.4G channel.
  • Hand-Free Voice Control: TESSAN wifi garage sensor is compatible with Amazon Alexa and Google Assistant.
  • Simply give a voice command to check the open or close status instead of going down or picking up your phone.
  • Your voice device will work as chime, siren or alarm when the sensor triggered.
  • Saving your operation time and make your smart home life more convenient and easier.
  • Peace of Mind: All alarm record history can be check in app.
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Smart Door Sensor 2 Pack, TESSAN WiFi Window Contact Sensor Work with Amazon Alexa, Google Assistant, No Hub Required, Trigger Phone Notification, Phone Alarm, Programmable with Smart Life Devices

  • Smart Security Sensor: TESSAN door and window alarm sensor is designed to monitor the open or close status of any entrance.
  • An alert notification will automatic send to you in 10 seconds once the sensor triggered.
  • Ideal for front door, window, baby room, garage and more.
  • Door status and battery power can be check in app.
  • Programmable Sensor: Extend your smart home automation with TESSAN wifi door sensor.
  • Automatically turn on your smart wall switches or lights when door opened.
  • Automatically turn off your air-condition when window opened.
  • More smart devices can be sync as long as they compatible with Smart Life app.
  • Support 2.4Ghz Wifi only, dual-band (2.4G and 5G) WiFf need to set a separate 2.4G channel.
  • Hand-Free Voice Control: TESSAN wifi garage sensor is compatible with Amazon Alexa and Google Assistant.
  • Simply give a voice command to check the open or close status instead of going down or picking up your phone.
  • Your voice device will work as chime, siren or alarm when the sensor triggered.
  • Saving your operation time and make your smart home life more convenient and easier.
  • Peace of Mind: All alarm record history can be check in app.
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Door Buzzer for Business Entry- Made in the USA Wired PIR Motion Sensor Doorbell - Safeguard Supply Easy to Install Door Chime for Business when Entering - Business Door Entry Chime Applications

  • INNOVATIVE WIRED DOOR SENSOR CHIME FOR BUSINESS: The Wired Informer motion detector door buzzer will provide continuous maintenance free operation for use when you want door chimes when door opens for business. Never worry about staff forgetting to replace batteries, unreliable wireless signal strength or interference from other devices. Door chime motion sensor and door entry chime speaker is powered by a plug-in transformer.
  • AN INDUSTRIAL GRADE BUSINESS DOOR CHIME IN A CLASS BY ITSELF YOU CAN INSTALL YOURSELF: Simple & easy to install commercial door bell with no complicated wiring & no need to hire an electrician to install. Motion sensor door chime kit comes with basic wire that you simply connect the PIR sensor & door dinger speaker to then plug in the transformer into a standard outlet.
  • CRAFTED WITH PRECISION & PRIDE IN THE USA DOOR ALERT FOR BUSINESS: Expertly engineered door chime for business when entering crafted of high quality materials in the USA makes this unit the ideal entry alert chime for applications where a hard wired motion chime is preferred over wireless chimes: convenience stores, retail stores, fast food restaurants....
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Door Chimes HUWOO Wireless Door Open Sensor for Business Home Office When Entering Door Open Alert with 1000Ft Range 55 Ringtone 5 Volume Level Adjustable 7 Colour Flash(2 Receiver & 2 Sensor)

  • [ Wireless & Super Easy Installation ] Wireless door sensor installation is easier than wired installation.Just plug in the Receiver and stick the wireless door sensor on the door/window or elsewhere. After pairing, open the door and window, the receiver will ring.
  • [ Protect Your Family&Visitor Door Chime ] It will send alarms warning you if your kids who sneak out bedroom or house and will alert you if someone opens your door/window at night.Door chime can be used as a way of remind business when customers coming.
  • [ 55 Ringtones & 5 Volume & 7 Colour Display ] The door open alert ringtone is equipeed with 55 kinds of ringtones of different style for your choices.5 levels adjustable volume(0dB to 110 dB), 7 colorful LED flash indicator can attract your attention even when the receiver is muted.
  • [ 1000ft/300m Open Area Range ] The signal distance of wireless door chime kit in open area is up to 1000ft Whether you are upstairs,in the garden,or a few rooms away, you can hear the bell ringing. The entry alert chime just plug into outlet,then stick door sensor to any doors or windows.
  • [ What You Get] HUWOO door chimes, our worry-free 12-month warranty, and friendly customer service.
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LiftMaster CPS-U Commercial Photo Eyes

  • LiftMaster CPS-U Commercial Grade Photo Eyes/Safety Sensors.
  • Includes Photo Eyes, Bell Wire and Mounting Brackets.
  • Dual-sided infrared sensors for Industrial Applications, Solid sensor lights indicate correct sensor alignment.
  • Yellow safety housing provides visibility for industrial environments. Meets UL 325 Safety Standards.
  • Commercial Door Operator Safety Photo Eye System, Sensing Range 30 (Ft.).
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Wireless Doorbell Camera, EKEN Smart Video Doorbell Camera with PIR Motion Detection, Cloud Storage, HD Live Image, 2-Way Audio, Night Vision, 2.4G WiFi Compatible, Battery Powered, 100% Wire-Free

  • 【HD Real-Time View & IR Night Vision】With wide-angle lens, this camera doorbell ensures you a sharp and detailed view, either in real-time live view or in recorded videos. Built-in 6 infrared lights and intelligent IR sensor allow you to have a clear view at night and in other low-light conditions..
  • 【PIR Motion Detection & Free Chime included】Respond quickly with the upgraded PIR motion sensor in doorbell camera. With the humanoid motion detection, you get the option to detect only human being and ignore unwanted movements. Smart alerts will be sent to your mobile/tablet every time the bell is pushed and every time a movement is detected. The indoor chime lets you hear the door bell ringing when you are home. Never miss a moment, no matter where you are..
  • 【Two-way Talk & Cloud Storage 】The doorbell cameras wireless has two-way audio function, which makes it easier for you to talk to your visitors or strangers anywhere, anytime. Every valuable events happens at your door will be recorded by the doorbell camera and saved in cloud. No need to worry about losing the videos, or someone stealing your hardware, because you got everything safely saved in cloud..
  • 【100% Wire-Free & Rechargeable Batteries Included】This doorbell camera wir....
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LiftMaster 41A5034 Replacement Safety Sensor Beam Photo Eye Repair Kit 041A5034

  • LiftMaster 41A5034 Replacement Safety Sensor Beam Photo Eye Repair Kit 041A5034.
  • Genuine LiftMaster Replacement Safety Beams 41A5034 manufactured by Chamberlain Corp. These beams are the replacement safety sensor beam heads only (brackets and long wire not included) for used on all LiftMaster, Chamberlain, Sears, Craftsman, Access Master, Master Mechanic and other private labeled garage door openers manufactured since 1997 to present. The kit includes transmitting and receiving safety beams with 12 inch long wire ends, 4 easy connect connectors and 2 wing nuts with carriage.
  • Sensors include 15” lead of hardwired 2-strand bell wire and self-sealing connectors.
  • Works with any Sears Craftsman, Lift-Master or Chamberlain garage door electric opener manufactured from 2000 to current..
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Door Chime HUWOO Wireless Door Sensor for Business Home Office When Entering Door Open Alarm with 1000Ft Range 55 Ringtone 5 Volume Level Adjustable 7 colour flash(1 Receiver & 3 Sensor)

  • Wireless& Super Easy Installation:Wireless door sensor installation is easier than wired installation.Just plug in the Receiver and stick the wireless door sensor on the door/window or elsewhere. After pairing, open the door and window, the receiver will ring.
  • Protect Your Family&Visitor Door Chime:It will send alarms warning you if your kids who sneak out bedroom or house and will alert you if someone opens your door/window at night.Door chime can be used as a way of remind business when customers coming.
  • 55 Ringtones And 5 Volume&7 Colour Display：The door open alert ringtone is equipeed with 55 kinds of ringtones of different style for your choices.5 levels adjustable volume(0dB to 110 dB), 7 colorful LED flash indicator can attract your attention even when the receiver is muted..
  • 1000ft/300mOpenArea Range&Easy to Install：The signal distance of wireless door chime kit in open area is up to 1000ft Whether you are upstairs,in the garden,or a few rooms away, you can hear the bell ringing. The entry alert chime just plug into outlet,then stick door sensor to any doors or windows..
  • Satisfactory After-Sales Service:If the product you receive has quality problems, please contact us immediately, we will give you the most guaranteed after-sales service....
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LiftMaster CPS-U Commercial Photo Eyes - Bell Wire and Mounting Brackets Included

  • LiftMaster CPS-U Photo Eyes/Safety Sensors.
  • Includes Photo Eyes, Bell Wire and Mounting Brackets.
  • Dual-sided infrared sensors for industrial applications. Solid sensor lights indicate correct sensor alignment..
  • Yellow safety housing provides visibility for industrial environments. Meets UL 325 Safety Standards.
  • Commercial Door Operator Safety Photo Eye System, Sensing Range (Ft.) 30,.
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3.5 inch Digital Doorbell LCD 120 Degree Eye Electronic Peephole Doorbell Color IR Camera Door Viewer Powered by 4Pcsx AAA Batteries not Included

  • Wide Angle Monitoring:Designed with 2 Mega CMOS Sensor,makes 120 degree actual viewing angle be possible.the doorbell shipped out from california or Texas so that the delivery won't takes too long!.
  • EASY TO USE:Come with parts for easy install,short press to turn on/long press to turn off.Replace the battery without dismantling the host and the Peephole,24 hours monitoring.
  • Larger Screen & Clear Image:The Door video bell adopt OV Industrial Color Image Sensor 3.5-inch LCD color screen,which ensure clear picture display.
  • Size:Door Hole Range: 14-28mm/Door thickness range: 35-100mm/Inside device size: Aprrox.120x62x20mm/Diameter (camera outdoors):Approx. 30mm.
  • Package content: 1 x Door Digital Doorbell(Outdoor Unit+Inner Unit)+3 x pair of screw+1 x metal holder!.
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WINTECH Door Viewer Brass UL Listed Fire Proof 180-degree with Heavy Duty Privacy Cover for 1-3/8\ to 2-4/11\ Doors, Brushed Nickel Finish US15

  • Wide Angle Monitoring:Designed with 2 Mega CMOS Sensor,makes 120 degree actual viewing angle be possible.the doorbell shipped out from california or Texas so that the delivery won't takes too long!.
  • EASY TO USE:Come with parts for easy install,short press to turn on/long press to turn off.Replace the battery without dismantling the host and the Peephole,24 hours monitoring.
  • Larger Screen & Clear Image:The Door video bell adopt OV Industrial Color Image Sensor 3.5-inch LCD color screen,which ensure clear picture display.
  • Size:Door Hole Range: 14-28mm/Door thickness range: 35-100mm/Inside device size: Aprrox.120x62x20mm/Diameter (camera outdoors):Approx. 30mm.
  • Package content: 1 x Door Digital Doorbell(Outdoor Unit+Inner Unit)+3 x pair of screw+1 x metal holder!.
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Wireless Motion Sensor Door Chime: Business Entry Doorbell Indoor Motion Detector Buzzer (500Ft Range, 32 Tunes, 5 Level Volume) Store Entrance Alert Bell Bed Alarm for Elderly Dementia Patients

  • 【32 UNIQUE CHIMES & 5 VOLUME LEVELS】Motion sensor doorbell features 32 unique ringtones including alarm sounds, door bell ring, and long ringtones.
  • 5 adjustable volumes (0-110dB) with silent mode meet your needs for different occasions. The LED light indicator flashes to perform a visual alert, excellent security alert for the hearing impaired..
  • 【MOTION SENSOR ALARM FOR ELDERLY】Motion sensor can be mounted to the wall/by doorways, when sensor field is crossed, It transmits the signal to caregiver pager within the 500ft.Motion sensor pager easy to monitor elderly getting out of bed or leaving the room, allows caregivers to free up time for housework while the patient is sleeping and freely monitor movement remotely. Also great to alert business owners that are working in the back, or out of sight, to customers entering retail store..
  • 【Wide Wireless Range】The indoor motion sensor alarm detects movement within 16- 26ft range x 110°, with a Working Range up to 500ft between the aregiver pager and motion sensor, allowing you to place it a good distance from the receiver. just place the sensor at the offices, stores door, front or back doors of factories,....
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