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Best Digital Air Quality Indicators

Channel Master TV Antenna Signal Strength Meter CM-1005 Digital Handheld with Carrying Bag and Stylus

  • ...es Away — Watch top-rated shows, live sports, and local news and weather with this amplified long-range HDTV outdoor antenna..
  • American engineering brings our exclusive HDTV antenna and interactive app to you, that pairs easily to locate free TV channels with the highest signal strength, using both visual & audio indicators. Ultra-low noise digital amplifier is embedded directly within the antenna elements..
  • Maximizes channels with two modes, which offer a quick automatic search and a second scan option to fine-tune specific channels, all in a user-friendly connected app that interfaces directly with the Winegard Elite Pro to find the best placement. Audio and visual indicators eliminate need to reposition antenna. Just follow on-screen instructions, run a channel scan and watch the maximum free TV..
  • The Winegard – Connected App Makes You a PRO at Antenna Installation — Available for iOS and Android phones, our intuitive mobile app simplifies the antenna placement process with visual and audio indicators that provide feedback on signal strength in real time..
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Pyle Upgraded Karaoke Bluetooth Channel Home Audio Sound Power Amplifier w/AUX-in, USB, 2 Microphone Input w/Echo, Talkover for PA, Black (PTA24BT)

  • 2000-WATT POWER: The Pyle 2-channel bridgeable power amplifier has 2000W maximum power in bridged mode or 1000W per channel in stereo. It can be used for multi speakers w/ 4-8 ohms impedance allowing you to enjoy high-quality audio.
  • BLUETOOTH CONNECTIVITY: The professional integrated indoor stereo receiver is equipped with Bluetooth wireless music streaming. Works with today’s latest devices including smartphones, tablets, laptops and computers with hassle-free receiver pairing.
  • 4 INPUTS: The personal portable digital amp box is equipped with (2) 1/4'' TRS input connector jacks, (2) XLR input connector jacks along with (3) speakOn output connectors (A/B/Bridged), and (2) pair speaker terminal / binding post connectors.
  • FRONT CONTROL PANEL: The compact amplifier features a front panel control center with LCD display that can show ID3 format. It also features left & right channel level signal indicators, power on/off, protect, clip, and signal LED indicators.
  • BUILT-IN COOLING FAN: The rack-mountable sound amplifying device has built-in ventilation cooling fans for maximum air circulation within the unit preventing it from overheating and to keep its performance to the maximum.
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Oudtinx Tools Magnetic Base Stand for Digital Dial Indicator Gauge 176lbs Max Pull

  • Strong 2 magnet surfaces with ON/OFF control provides 176lbs Max Pull (30mm and up thickness metal countertop/surface required for 176lbs pull).
  • Clamping Hole Diameter Approx. 9.5mm, for regular digital/dial indicator use.
  • Twist one black knob can adjust 3 rotary joints at any direction and location.
  • Compatible with all Tools dial/digital indicators and other market indicators.
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2-Channel Bluetooth Power Amplifier - 2000W Bridgeable Rack Mount Pro Audio Sound Wireless Home Stereo Receiver w/TRS XLR Input, LCD, Bridge Mode, Cooling Fan - Entertainment Speaker System - Pyle

  • 2000-WATT POWER: The Pyle 2-channel bridgeable power amplifier has 2000W maximum power in bridged mode or 1000W per channel in stereo. It can be used for multi speakers w/ 4-8 ohms impedance allowing you to enjoy high-quality audio.
  • BLUETOOTH CONNECTIVITY: The professional integrated indoor stereo receiver is equipped with Bluetooth wireless music streaming. Works with today’s latest devices including smartphones, tablets, laptops and computers with hassle-free receiver pairing.
  • 4 INPUTS: The personal portable digital amp box is equipped with (2) 1/4'' TRS input connector jacks, (2) XLR input connector jacks along with (3) speakOn output connectors (A/B/Bridged), and (2) pair speaker terminal / binding post connectors.
  • FRONT CONTROL PANEL: The compact amplifier features a front panel control center with LCD display that can show ID3 format. It also features left & right channel level signal indicators, power on/off, protect, clip, and signal LED indicators.
  • BUILT-IN COOLING FAN: The rack-mountable sound amplifying device has built-in ventilation cooling fans for maximum air circulation within the unit preventing it from overheating and to keep its performance to the maximum.
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Clockwise Tools MGBR-01 Magnetic Base Stand for Digital Dial Indicator Gauge 176lbs Max Pull

  • Strong 2 magnet surfaces with ON/OFF control provides 176lbs (requires 30mm and up thickness metal/steel).
  • The magnet works much better on thicker metal piece, thin metal/steel results less magnetic force.
  • Clamping Hole Diameter Approx. 9.5mm, for regular digital/dial indicator use.
  • Twist one black knob can adjust 3 rotary joints at any direction and location.
  • Compatible with all Clockwise Tools dial/digital indicators and other market indicators.
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ThermoPro TP53 Digital Hygrometer Indoor Thermometer for Home, Temperature Humidity Sensor+ThermoPro TP357 Digital Hygrometer Indoor Thermometer of 260FT, Bluetooth Thermometer Humidity Meter

  • Comfort face indicators: Indoor thermometer for home features comfort face icons to indicate DRY/COMFORT/WET air conditions in an easy to understand format and allow you to adjust your humidifier or dehumidifier accordingly.
  • Informative Temperature Gauge: Thermometer with humidity monitor displays and stores all time/24 hours Max & Min records.
  • The air comfort indicator help you get the comfortability of your home at a glance.
  • 260 Feet Bluetooth range: Hydrometer digital humidistat contains an enhanced Bluetooth Technology to produce a stable, reliable 260 feet range (no obstructions) to ensure you'll always have full home coverage.
  • High Accuracy & Fast Refresh Rate: hydrometer digital is equipped with an advanced temperature sensor and accurate to ±2.0℉(±1.1℃) and ±2~3%RH, which refreshes every 10s to promptly instruct you to adjust humidistat.
  • Smart APP with alerts: Set a temperature gauge range via the ThermoPro Sensor and instantly receive a phone notification if the temp and humidity monitor levels fall outside of your range, allowing you to quickly react to make necessary adjustments.
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Neoteck Electronic Digital Dial Indicator Gauge and Magnetic Base Set, 0-0.5 inch / 12.7mm, 0.01mm / 0.0005\ Inch/Metric Conversion Measuring Tool for 3D Printer Bed Leveling Table Saw

  • Universal Compatible: The Set Includes 1 Digital Dial Indicator and 1 Magnetic Base. The Indicator Base is Compatible with All Most Dials / Digital Indicators and Other Market Indicators..
  • Digital Dial Indicator Gauge: Measuring Range from 0-0.5 inch (0-12.7 mm). High Resolution up to 0.0005" (0.01mm). Switchable between mm and inch, also has Zero Setting..
  • Magnetic Base: Dimensions of 2 Arms - Lower Arm 4.5".
  • Total Height 14.1". Clamping Hole Diameter: 5/16 inch ( 8mm), Used for Conventional Digital / Dial Indicator..
  • 2 Solid Magnet Surfaces: With On/Off Control. Can Provide A Maximum Tensile Force of 176lbs (Please NOTE: 176lbs Tensile Force Requires a Metal Working Surface/Surface with a Thickness of 30mm and Above)..
  • Application: Perfect for 3D Printer Bed Leveling, Aligning the Table Saw, Lam Sanding, etc..
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Eyoyo 2D Bluetooth Barcode Scanner Compatible with iPad, Tablet, iPhone, Android Phone, 3000mAh Rechargeable Battery, Portable Wireless 1D QR UPC Bar Code Reader for Library Book Warehouse Inventory

  • ...and oversized phones with screen sizes between 5.7"-7"(Samsung S22/S23 Ultra). The thickened clip ensures that your tablet and phone are placed firmly, no worry about falling over even holding a thick phone & tablet case..
  • 【3000mAh Huge Battery with Battery Indicators】-The Eyoyo Bluetooth barcode scanner built-in 3000 mAh rechargeable battery, which can scan continuously for 30 hours after being fully charged. if you only scan 5000 barcodes per day, it can be used for 30 days. Used Smart LED Indicators tracking remaining power left (25%-50%-75%-100%). Input and output status, you need not guessing whether need to charge it or not..
  • 【Advanced 1D & 2D Scanning Performance】-This wireless barcode scanner adopts advanced 2D CMOS image technology, it scans virtually all 1D and 2D barcodes even poor quality, damaged, or low contrast codes. Capable of reading bar codes off smartphone screens: mobile coupons, digital wallets, and digital loyalty cards.Scanning ISBN/UPC/EAN, UPC/EAN With Supplementals, Code39, Interleaved 2 of 5, Code93, Code 128, Codabar, QR, Data Matrix, PDF417, etc barcode with ease..
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Neoteck Digital Dial Indicator Gauge and Magnetic Base Set with Storage Case, 0-1inch/ 25.4mm, 0.01mm/ 0.0005\ Inch/Metric Conversion Measuring Tool for 3D Printer Lathe Workshop CNC Machine- Black

  • Universal Compatible: The Set Includes 1 x Digital Dial Indicator, 1 Magnetic Base, 1 Storage Case . The Indicator Base is Compatible with All Most Dials / Digital Indicators and Other Market Indicators..
  • Digital Dial Indicator Gauge: Measuring Range from 0-1" (0-25.4mm). High Resolution up to 0.0005" (0.01mm). Switchable between mm and inch, also has Zero Setting.
  • Magnetic Base: Dimensions of 2 Arms - Lower Arm 4.5".
  • Total Height 14.1". Clamping Hole Diameter: 5/16 inch ( 8mm), Used for Conventional Digital / Dial Indicator.
  • 2 Solid Magnet Surfaces: With On/Off Control. Can Provide A Maximum Tensile Force of 176lbs/80KG (Please NOTE: 176lbs Tensile Force Requires a Metal Working Surface with a Thickness of 30mm Above).
  • Wide Application: Perfect for 3D Printer, Lathe, Woodworking, Workshop, CNC Machine, Table Saw, etc..
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Alphasonik PRO 15' 1500 Watts Mayhem Series High Performance Professional Powered DJ Speaker with Digital Amplifier Built-in Bluetooth USB AUX Inputs EQ Amplified Extreme Loud Speaker PA System M915BT

  • Professional high-power 15" amplified DJ speaker system | Power rating: MAX Power: 1500 Watts RMS Power: 700 Watts | True digital fully optimized built-in amplifier | Built-in Bluetooth with audio streaming | USB / SD Card / Aux inputs.
  • Built-in FM radio and MP3 player | Digital LCD screen with full controls | Dual sided air ports design for optimal sound quality | Five band graphic equalizer | AlphaTough cabinet - durable and rugged material made to be on the road.
  • Industrial strength rugged protective cabinet grill | LED indicators:  Power - Blue LED High Clipping - Orange LED Low Clipping - Red LED | (2) MIC / Line XLR inputs with volume controls | (1) Composite RCA audio input with volume control.
  • (1) 3.5mm Aux input with volume control | (1) XLR output | 97 Oz. HQ graphite Y-30 magnet | 3" TIL 2-layer CCAW voice coil | High compression 2" titanium driver with horn tweeter.
  • Frequency Response: 40Hz - 20KHz | Sensitivity: 100dB (+/-3dB) | Impedance: 4-Ohm | Operation Voltage: 110 Volts only.
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ThermoPro TP280B 1000FT Home Weather Stations Wireless Indoor Outdoor Thermometer, Indoor Outdoor Weather Stations with Swiss-Made Sensor, Inside Outside Weather Thermometer Barometer with Forecast

  • LONGEST 1000FT RANGE ON THE MARKET: This indoor outdoor thermometer wireless with a market leading remote range of 1,000 feet that allows you to monitor indoor/outdoor temperature/humidity from anywhere in your home.
  • ACCURATE SWISS-MADE SENSIRION SENSOR: This wireless weather station is equipped with world-leading swiss sensor that is accurate to ±0.5°F.
  • Weatherproof & rechargeable transmitter enable to work in any weather condition, even in temperatures as low as -40°F(-40℃).
  • DEPENDABLE FORECASTS WITH MULTI-FORMAT BAROMETER: Featured absolute/relative air pressure modes and a 12-hour history, this digital weather station precisely predicts 24-hour weather forecasts, allowing you to freely plan your outdoor activities.
  • 7″ ADJUSTABLE BRIGHTNESS DISPLAY: The wireless weather station indoor outdoor with 4 brightness options, providing you with clear readings of high/low indicators, trend arrows, and comfort indicators from any viewing angle or in any light condition.
  • DUAL POWER SUPPLY: This indoor weather station and outdoor thermometer wireless can be powered by either 3 AAA batteries (included) that allow for portability and continued use during power outages, or by a Type-C cellphone charger.
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McDuory Digital HDTV Outdoor Amplified Antenna - 150 Miles Range - Mounting Pole & 40 feet RG6 Coaxial Cable Included - Optimized Performance in UHF & VHF - Tools Free Installation

  • 1. Digital HDTV 150 miles Long Range antenna: 4-Bay phased array Multi-directional TV antenna. Can pick up numerous Networks like ABC, CBS, NBC, Fox,....
  • 2..High quality sound and picture you will have: This McDuory antenna will transmit over-the-air broadcasts in uncompressed full HD (1080P), ultra HD....
  • 3. Updated version in 2018: WA-2900-3D is an updated version with EASY UNFOLDED system to assemble. Tools Free installation. Added-on Light indicators....
  • 4. ALL included: Antenna is more sturdy and with compact package, provided better protection during transportation. Mounting pole 16.5 inches and 40FT....
  • What you get- We stand behind our antenna with effort .Please Note: Freeview receptions are dependent upon environmental factors, we can not guarantee....
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Mares Puck Pro Plus Dive Computer Wrist Watch, White Black (414135-WHBK)

  • Super Intuitive, Easy-to-Use, Full-Featured RGBM Nitrox Computer, Larger-Display in Slimmer-Design, Upgradeable Firmware & Multi-Gas Capability..
  • Precision Stopwatch, Special Function Modes Air, Nitrox & Bottom Time, , Durable Metal Button, Upgraded Interface, Precautionary Programs Setting, Ascent Rate Indicator and Ascent Rate Digital Indicator..
  • Plan Mode, Backlighting, Log Book, 3-Level Salinity, Fresh Water Setting, Sea Water Setting, Aquarium Salinity Setting, Residual Nitrogen Memory Reset, Quartz Clock Movement..
  • User-Replaceable CR 2450 Lithium-Ion Battery, Fully Altitude Adjustable to 12,100' (3,700m) Memory Capacity 36 Hours, Superior Display Readability, Mineral Glass Crystal..
  • 492' (150m) Depth Rating, Power Indicators, Audible Alarms, Watch, Date and Temperature Displays, 12/24 Hour Formats, Two-Different Gas Mixtures During-Single-Dive, Metric or Imperial Units of Measure..
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