ReviewsClosed Circuit Camera System

9V 1A Rechargeable Lithium Battery UPS Mini Size uninterrupted Network Emergency DC/DC Back up UPS, uninterrupted Monitoring for Security Products, Router, Modem and LED with 4000mAH Backup Battery

...s of DC power equipments such as routers, modems, set-top boxes, VOIP phone systems, surveillance systems, alarm systems, personal communication systems, radios, Bluetooth devices, smart cards and many other critical telecom equipments.
9V ROUTER MINI UPS has perfect overcharge, over discharge, overcurrent and short circuit protection function. This mini ups not included adapter,but we also sell 12v 2a UL listed ac dc power adapter on amazon, this product come with 3 jack adapters for choice..
Mini Ups with back up battery(not included adapter!!!) which can store power.
It can provide hours of operation during power failure at a low price vs a traditional UPS. Mini Ups with back up battery which can store power..
Smart 9V mini dc ups widely use for fingerprint attendance machine, Fire safety system, security monitoring system, wireless camera, CCTV camera ,personal treatment system,Door security system, personal data assistant, emergency lighting, Alarm system, personal communication systems, radio, digital cameras, camcorders, video camera, Bluetooth devices, CD players, MD players, portable DVD, MP3 players, smart cards..
Battery cell certification: CB,CE,UL,UN38.3,BIS,KC,MSDS,ROHS,CQC,SGS,EMC Cycle lifestandard charge&discharge capacity ≥80% C5mAh ,c....

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LeakSmart Automatic Leak Detection/Water Appliance Shut Off Kits for Washing Machines

Easy-to-read LED control panel with AC power and battery back-up. No internet connection required for protection, even if Wi-Fi is down..
Our closed-circuit leak protection system is designed exclusively for high-risk appliances. After the leak has been corrected, easily reset with the....
Reliable and continuous operation, our safeguard system performs an automatic 22-day maintenance cycling of the valves..
Immediate notification via an audible alarm and through the LeakSmart App.
Includes: (1) Easy-to-Read LED control panel indicating if the valve is closed or open, (1) Wired LeakSmart Water Sensor, (1) AC power adaptor with....

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Fielect 10Pcs Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White 28V 0.3A ABS Sensing Distance 15-25mm

[Dimension] - Cable Length:250 mm；Sensing Distance:15-25 mm；Total Size: 14mm x 6.5mm, 11.7 x 5.7mm (L*D).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available.
[Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!.

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Panopticon Tech 10 pcs Brown Door Contacts Surface Mount NC Security Alarm Window Sensors WMagnetic Reed Switch. These ¾” Position switches (DCS) Work All Access Control & Burglar Alarm Systems

10 Brown ABS Surface Mount Normally Closed Door Contact Switch.
Will make Sense Door Closer at Roughly ¾” or 15mm.
This Contact Works with Any Access Control or Burglar Alarm System Available.
NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..

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Fielect Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.C./N.O. Applications MC-56

Total Size: 47.5 x 24 x 14.4mm / 1.87 x 0.94 x 0.57 inch (L*W*H).
[N.O./N.C.] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off ). N.O. means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off ). When make order, pls check carefully!.
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - This Door Contact switch ensor works with any access control or burglar alarm system available.

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Panopticon Tech 3 pcs Wired White Door Contacts Surface Mount NC Security Alarm Window Sensors.These ¾ inch Contact Position switches (DCS) Work with All Access Control and Burglar Systems

3 White ABS Surface Mount Normally Closed Door Contact Switch with 11" Pigtail.
Will make Sense Door Closer at Roughly ¾” or 15mm.
This Contact Works with Any Access Control or Burglar Alarm System Available.
NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..

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1 pcs White Recessed Door Contacts NC Security Alarm Window Sensors with Magnetic Reed Switch These ¾” Door Contact Position switches DCS Work with All Access Control and Burglar Alarm Systems

1 White ABS Normally Closed Door Contact Switch.
Will make Sense Door Closer at Roughly ¾” or 15mm.
This Contact Works with Any Access Control or Burglar Alarm System Available.
NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..

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3 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch These ¾” Door Contact Position switches DCS Work with All Access Control and Burglar Alarm Systems

3 Brown ABS Normally Closed Door Contact Switch.
Will make Sense Door Closer at Roughly ¾” or 15mm.
This Contact Works with Any Access Control or Burglar Alarm System Available.
NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..

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10pcs RC-33 NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch White

RC-33 NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch.
Magnet near together, the switch is closed.And the switch and magnet is separate, the switch is open..
NC means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separate, the circuit is not conductive ( light off )..
NC means Normally Closed:When the magnet together, the circuit is conductive( light on ).
Each Size(Approx): 17 x 10.6mm / 0.67 x 0.42-inch (H*D) Cable Length(Each): 25cm / 9.8-inch.

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1 pcs Brown Door Contacts Surface Mount NC Security Alarm Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

1 Brown ABS Surface Mount Normally Closed Door Contact Switch.
Will make Sense Door Closer at Roughly ¾” or 15mm.
This Contact Works with Any Access Control or Burglar Alarm System Available.
NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal..

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TOWODE Wired Magnetic Surface-Mounted Door Window Contact Reed Switch Personal Gap Alarm, Cabinet Strip Light Switch NC DIY Kit, Pack of 10 with 40 Screws

【Reed Switch】：IMPORTANT : When the magnet is near it makes connectivity, when the magnet is removed connectivity is broken.Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems.(some wireless system has wired zones).
【No External Power Needed】：Connect to wired alarm control panel, GND (Positive) Connect with NC(Negative) ports directly which make signal stability and no trouble for the battery. These Wired Reed Switches means it needs wire to connect with the alarm control panel, but wire is not including in the package..
【Install Distance】：Gap between 2 pieces more than 15mm, less than 25mm.White color make home great and beautiful. Anti-fire ABS material..
【Install Attention】：Item CAN NOT connect directly to power, it works with your alarm system provide a switch signal.Working current under 12V..
【What NO NC Means】:NO means Normally Open: when the magnet separate, the circuit is conductive.
When the magnet together, the circuit is not conductive. NC means Normally Closed:When the magnet together, the circuit is conductive.
when the magnet separate, the circuit is not conductive..

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