Reviews Car Burglar Alarm System

GDQLCNXB 2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch

3.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 ).
4.Work as an anti-theft alarm, ideal for metal door and window.
5.These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system.

[Dimension] - Cable Length:460 mm；Sensing Distance: 50-70 mm.
Total Size: 105 x 47 x 9.5mm, 85 x 17 x 17mm (L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - This magnetic reed switch works with any access control or burglar alarm system available.

... These batteries are an economical replacement for disposable / alkaline batteries - These batteries retain 80% charge for up to one year in storage.OTHER USES: Use with trackball, Apple mouse keyboard & trackpad, garage door remote controller, flashlight, kids toy, electronic pets, radio controlled car kids, alarm burglar sensors & system, alarm clock, remote control, flash gun, flashgun, Glade auto spray air freshener, Airwick air freshener, diffuser, thermometer, torch, mini sewing machine, travel electric razor, shaver, eyebrow nose & facial trimmer, handheld fan.

【Upgraded Window Alarms】CHIME/ALARM 2 MODES, Chime mode will sound twice when the door/window is opened,ALARM MODE will keep souding when door or window is opened.
when burglar opens or break-ins the store or home, the sound will scare off the burglar and reminding you.
【Protect Your Kids Safety】This door alarms is a good reminder ,it will send alarms to warn you if your kids who sneak out bedroom or house and also will alert you if someone opens your door/window..
【Easy To Install】 ,Peel and stick the product to door or window with the double-sided tape, No wiring needed! MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART WITHIN 0.6IN.
【 GIFT & WARRANTY】This alert chime is a good gift for relatives and friends to used to remind visitors, family anti-theft,etc. 1-year warranty and please contact us if you have any questions for our door bells chimes.

Made of flame retardant ABS housing material,high temperature resistant,not easy to deform..
Contact Type:NC(Normally Closed).Can be added to wireless home security systems such as video surveillance cameras..
Wire length:25cm/1".Sensitive response,accurate detection.Fine workmanship ensures its reliability..
Easy to install.This door contact can be used with access control or burglar alarm system..
Package Included: 2pcs Recessed Door Magnetic Switch..

【SUPER SENSITIVE TO MOTION】- Triaxial Accelerometer Sensor, 7 Level adjustable sensitivity from gently touch to push or beat, you can easily set....
【SUPER LOUD 113dB】- Bike security alarm can make a loud sound to draw people's attention. 113dB Loud can effectively scare thieves away. SOS....
【IP55 WATERPROOF】- This motorcycle bicycle burglar alarm Installation by pasting with double-sided sticker or tieing it with strap. No wiring, no....
【EASY OPERATION AND INSTALLATION】- Wireless remote control operation, easy to use. Two install methods, paste with double-sided sticker or tie it....
【MULTIPLE USES】- Act as a great bike theft deterrent. Vibrationaly triggered alarm suitable for bicycle, car, motorcycle, electric bike, electric....

10 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..

➡︎ Easily Replace your Old Transformer - Plug in Alarm System Transformer for your Security System.
➡SPECIFICATION: input voltage: 120 VAC, 60Hz.
Output voltage: 16.5V, 40VA SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator.
➡ELIMINATATE DOORBELL UNDER POWER HASSEL:16.5V 40VA plug in transformer, replaces and upgrades underpowered transformer with this 16.5V AC transformer, offering plenty of power for your doorbells.
➡Compatible With: This transformer compatible for Honeywell Ademco, DSC, ETC Burglar Alarm Systems.
Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell.
➡ Easy to install:Output with screw terminals, simple wiring.

【Wireless Car Alarm】 Wireless Car Alarm System: different from the normal car alarm, this car alarm system doesn't have main unit box, doesn't have many cables, no need cut any origianl car cables,no damage to original car circuit, the shock sensor and the air pressure sensor are wireless to siren..
【DIY Install Car Alarm】5 minutes to DIY Install: just need connect the siren black / red cable to car battery positive and negative port, then connect the high frequency antenna to siren connector, find a location and fix siren around the wiper, installation done! Don't like the normal car alarm, no need send to the car service shop for professional install, cost effective..
【2-way Pager Car Alarm】Built in air pressure sensor, when detect car door/window/trunk open illegally, the siren will alarm, and notify to LCD remote control.
built in vibration/motion sensor, when detect car vibration or motion, the siren will alarm and notify to LCD remote control also..
【Long Distance Alarm】The high frequency antenna ensure the car alarm system can be valid for 1000 meters..