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Diitao 50W×2+100W Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel, 12V-24V Audio Power Amplifier Module with Treble and Bass Control for DIY Bluetooth Audio ZK-MT21, Black

  • 【ZK-MT21 Power Amplifier Board】Uses Bluetooth 5.0, and its transmission distance can reach 49 feet (without obstruction). At the same time, this power amplifier board has a 3.5mm AUX audio input interface..
  • 【Specification】With 36*25*10mm heat sink, suitable for power supply DC12-24V/5A or above (24V battery pack cannot be connected), suitable for speakers 20~100W, 4~8Ω..
  • 【Protection Function】ZK-MT21 Bluetooth power amplifier board has multiple protection mechanisms to ensure its safe operation. It has short-circuit protection, over-current, over-heat, and anti-reverse protection..
  • 【Come With DC Conversion Plug】The DC adapters on the market (plug specification 5.5mm*2.1mm) basically can meet the needs of the ZK-MT21 Bluetooth power amplifier board. If your existing DC power plug is not 5.5mm*2.1mm, there is no The problem is because we have included a DC conversion plug in the product..
  • 【Tips】There will be enough output power only when the audio input is sufficient and the power supply voltage/current is sufficient.The higher the power supply voltage, the greate....
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ABLEGRID Charger Compatible with Swann Lorex Q-See Security Camera 12V 5A 60W 2-Prong Plug AC to DC 2.5x5.5mm w/8-Way Power Splitter Cable Power Supply for CCTV Security Camera DVR, LED Strip Lights

  • ► SPECIFICATION: Input voltage:AC 100-240V, 50/60Hz. Output voltage:DC12V 5A (60 Watt). 2-Pin US Plug.
  • DC connector size: internal diameter: 2.5mm, external diameter: 5.5mm.
  • ► WIDE USES: power supply for the flexible LED strip lights, security camera DVR system, and other DC12V devices.
  • this DC Adapter can also work with most electronic devices for interface 5.5mm*2.5mm.
  • ► INCLUDE: 1)8-Way Power Splitter cord enables you to easily power up to 8 security cameras or 1 DVR with just one plug, no matter it is Analog or AHD.
  • 2) 2.1mm x 5.5mm Power Plug features one power connector end DC plug female to another end terminal for CCTV camera connected, save time and securer cable connection.
  • ► NOTE: 1 to 8 Power Splitter Adapter Cable allows up to 8 security camera connections to a Single power adapter.( If your security camera requires 1A power supply, you only could connect 5x security camera to the power supply. You couldn't connect 8x security cameras. More than 5x security cameras, the power supply will not work. 2. If your security camera requires 0.5A power supply, you could connect 8x security cameras to the power supply.).
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Fancasee 2 Pack 5.5mm x 2.1mm DC Power Extension Cable 90 Degree Right Angle Male to Female Plug Jack Extension Cord for IP Camera CCTV Security Camera Surveillance LED

  • L-Shape 5.5mm x 2.1mm DC power supply extension cable, convert straight plug to 90 degree right angle plug, male to female plug jack connector extension cord..
  • The 90 degree right angle plug jack cable can be easily go through the narrow gap, will never bend and damage the power supply cord..
  • This 90 degree right angle 5.5mm x 2.1mm DC power extension cable cord widely used for IP camera CCTV security camera surveillance standalone DVR LED strip router invoice printer low voltage application system etc..
  • Black color, the cable length is about 1 ft..
  • Package contents: 2-Pack 5.5mm x 2.1mm DC power extension cable cord..
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New Replacement Ac Power Adapter Extension Cable (for MacBook Pro, MacBook, MacBook Air)

  • Hanvex 2.1mm x 5.5mm DC Plug Extension Cord, Male to Female.
  • Cable Specs - 6ft, 20AWG, UL 2468 (UL Component).
  • Connectors - Female: 2.1mm x 5.5mm jack. Male: 2.1mm x 5.5mm barrel plug. Spring locked tip for solid connection..
  • For DC power - Recommended up to 36 volt, max load 3 amp or less.
  • This cable will only work with power adapter with 2.1mm x 5.5mm plug and not other sizes..
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Fancasee 3 ft 5.5mm x 2.1mm DC Power Extension Cable 90 Degree Right Angle Male to Female Plug Adapter Extension Cord for IP Camera CCTV Surveillance Security Camera LED Strip DVR Router

  • L-Shape 5.5mm x 2.1mm DC power supply extension cable, convert straight plug to 90 degree right angle plug, male to female plug jack connector extension cord..
  • The 90 degree right angle plug jack cable can be easily go through the narrow gap, will never bend and damage the power supply cord..
  • This 90 degree right angle 5.5mm x 2.1mm DC power extension cable cord widely used for 12V 24V IP camera CCTV security camera surveillance standalone DVR LED strip router invoice printer low voltage application system etc..
  • Package contents: 1-Pack 5.5mm x 2.1mm DC power extension cable cord..
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USA US Flag Patriotic 4th of July America T-Shirt

  • 12V 1A power adapter input & output: 100-240V AC input 50/60HZ, DC 12V 1Amp output, 12W max wattage. Compatible with DC 12V 100mA, 200mA, 300mA, 400mA, 500mA, 600mA, 700mA, 800mA, 900mA, 1000mA, 1A devices.(Please pay attention to the current and voltage of the product before purchasing. Buying a product with the wrong voltage or current may damage your device)..
  • 12V 1A power supply plug size: 2.5mm inside diameter, 5.5mm outside diameter ( Compatible with 5.5 * 2.1mm). Please pay attention to the size of the plug, ⚠️it can only be used for devices with 5.5*2.5mm or 5.5*2.1mm sockets!.⚠️ Internal polarity (+), external polarity (-), irreversible polarity..
  • Applications: CD players, LED strips, light boxes, small appliances, routers, juicers, coffee machines, security monitoring, keyboards, PSPs, etc. (Only some products are listed here, as long as the voltage, current, plug size and plug polarity are compatible with your device, you can use it, except for lithium battery products).
  • Warm Tip : The DC power cord is approximately 2.95 inches/90 cm long. Pay attention to the length of the DC cable, make sure it is long enough to connect the power supply and your device. (Indoor use only!).
  • 12V 1A adapter protection: Overcurrent protection, overvoltag....
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Fancasee (2 Pack 3 ft) 5.5mm x 2.5mm DC Power Extension Cable 90 Degree Right Angle Male to Female Plug Adapter Extension Cord for IP Camera CCTV Surveillance Security Camera LED Strip DVR Router

  • L-Shape 5.5mm x 2.5mm DC power supply extension cable, convert straight plug to 90 degree right angle plug, male to female plug jack connector extension cord..
  • The 90 degree right angle plug jack cable can be easily go through the narrow gap, will never bend and damage the power supply cord..
  • This 90 degree right angle 5.5mm x 2.5mm DC power extension cable cord widely used for 12V 24V IP camera CCTV security camera surveillance standalone DVR LED strip router invoice printer low voltage application system etc..
  • Package contents: 2-Pack 5.5mm x 2.5mm DC power extension cable cord..
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Fancasee (2 Pack 3 ft) 5.5mm x 2.1mm DC Power Extension Cable 90 Degree Right Angle Male to Female Plug Adapter Extension Cord for IP Camera CCTV Surveillance Security Camera LED Strip DVR Router

  • L-Shape 5.5mm x 2.1mm DC power supply extension cable, convert straight plug to 90 degree right angle plug, male to female plug jack connector extension cord..
  • The 90 degree right angle plug jack cable can be easily go through the narrow gap, will never bend and damage the power supply cord..
  • This 90 degree right angle 5.5mm x 2.1mm DC power extension cable cord widely used for 12V 24V IP camera CCTV security camera surveillance standalone DVR LED strip router invoice printer low voltage application system etc..
  • Package contents: 2-Pack 5.5mm x 2.1mm DC power extension cable cord..
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HCFeng Double Elbow DC 5.5mm x 2.1mm Cable DC 5.5mm x 2.1mm 90 Degree Right Angle Male to Male Power Adapter Cable for CCTV Surveillance Security Camera LED Strip DVR (22 AWG)[2 Pack/ 5ft]

  • [Product included in the package]:Double elbow DC 5.5mm x 2.1mm Cable DC 5.5mm x 2.1mm 90 Degree Right Angle Male to Male DC L Type Male to Male Power Adapter CableGauge: 22AWG/5-24V copper wire.
  • "[main parameter ]：Connector diameter: inside 2.1 mm ""+"".
  • outside: 5.5 mm ""-"". Material: plastic, copper. Voltage: 5-24V. Copper wire: 22 AWG. Length: 5ft/.5m Dimensions: 5.5mm (outside diameter) x 2.1mm (inside diameter).
  • "[Double elbow design]：L-Shape 5.5mm x 2.5mm male to male DC adapter power supply cable, 90 degree right angle male to male 90 degree right angle plug power cord. The 5.5 x 2.5mm 90 degree right angle plug jack power cable can be easily go through the narrow gap, will never bend and damage the power supply cord..
  • "[Main applications]：2.1mm x 5.5mm L type Male to 2.1mm x 5.5mm L type Male Extension Cable For 5-24V extension cable This 5.5 x 2.1 mm male to male DC power cable cord is widely used in IP camera, CCTV surveillance security camera, LED strip, DVR, router, invoice printer, low voltage application equipm....
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TWTADE/ 110-220VAC LED Auto Display Digital Counter 0-999999 6 Digits + Photoelectric Switch Sensor Distance 30CM NPN NO + Holder

  • Product Name: Counter ；Power supply: AC110-240V ；Display range:0-999999 ；The meter retain the number automatically when power cut off..
  • Product Name：photoelectric switch sensor ；Output State : NPN NO.
  • Product wiring: please refer to my picture.
  • Package Content: 6 Digits red counter x 1.
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20Amp 2x10 Position Barrier Terminal Block Distribution Module for AC DC

  • 20 Amp 48V 2x10 Position Barrier Terminal Block Distribution Module for AC DC. You can chose input from Barrier terminal block, Banana jack or DC....
  • Rated current 20 Amp(input from barrier terminal block). Input from banana jack maximum current 6 Amp. Input from DC power jack maximum current 5 Amp.....
  • Barrier terminal blocks: pitch 7.62mm, screw Metric M3(thread diameter 3mm). Banana jacks: standard 4mm jack. DC power jack: for 5.5mm x 2.1mm plug..
  • Packing list: 1x Terminal block distribution module. 1x Red banana plug. 1x Black banana plug. 11x Red spade terminal connectors (support wire 0.5 to....
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8-in-1 Universal DC Plugs 5.5mm x 2.1mm Female to Male Power Supply Adapter Jack Connector Tips for Laptop

  • 8-in-1 laptop multi-function DC plugs power converter, match with external laptop DC power battery or laptop universal AC power adapter to charge for your portable PC..
  • All Female base are 5.5mm x 2.1mm, each power connector tip can plug to a 5.5x2.1mm male connector and change the connector to a different size..
  • Wide compatibility: Compatible with Lenovo, compatible with Dell, compatible with HP, compatible with Asus, compatible with Acer, compatible with Toshiba, compatible with Sony, and other laptops, notebooks..
  • Universal laptop notebook charger adapter, portable and compact for your travelling usage..
  • Universal DC Socket 5.5x2.1mm to Plug connector size: A: 6.0mm( 1.4mm ) to 5.5mm (2.1mm) B: 6.3mm( 3.0mm ) to 5.5mm (2.1mm) C: 5.5mm( 2.5mm ) to 5.5mm (2.1mm) D: 5.5mm( 2.1mm ) to 5.5mm (2.1mm) E: 5.5mm( 1.7mm ) to 5.5mm (2.1mm) F: 4.8mm( 1.7mm ) to 5.5mm (2.1mm) G: 4.0mm( 1.7mm ) to 5.5mm (2.1mm) H: 3.5mm( 1.35mm ) to 5.5mm (2.1mm)..
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TWTADE/ 110-220VAC LED Auto Display Digital Counter 0-999999 6 Digits + Hall Proximity Sensor Switch Distance 10CM NPN NO + Holder US-JSQ+GD+CT 10mm

  • Product Name: Counter ；Power supply: AC110-240V ；Display range:0-999999 ；The meter retain the number automatically when power cut off..
  • Product Name：Hall sensor ；Output State : NPN NO.
  • Product wiring: please refer to my picture.
  • Package Content: 6 Digits red counter x 1.
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