ReviewsDoor Contact Alarm

WSDCAM Door Alarm with Remote & 2 Pack Window Door Sensor Alarms for Home Security Kids Safety Pool Safety Alzheimers Patient

Package Including: 1 x door alarm with remote, 2 x small door alarm, Adhesive tapes,.
Small door alarm: 1. General Alarm (alarm stop if door closed).
2. Constant Alarm (constant alarm even door closed).
3. Closing-door Alert (sound “Di..Di” from 0dB to 110dB).
4. Door Open Chime (sounds “DingDong” once if door opens), super easy to set the mode according to your need.
Door Alarm with Remote: Constant Alarm/Disarm/Panic/Doorbell mode.
The small door alarm can't be control by remote.
Low battery indicator. Supper easy to install & use. Well-made & Durable Quality.

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ZZRUI Upgraded Door Stopper Security Alarm,Portable 120 Loud Entrance Alert Door Stop Alarm for Travel Home Apartment House (1 Pack) …

battery-operated (requires 1x9V battery,not included),push the turn on button in the back of the door stop alarm into working status.
place it under the door,the gap bewteen the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in),it can not slide on tile or smooth hardwood door when door opens,smooth floor can try to use H-type sensitivity,vibration-sensing alarm..
DOOR STOPPER SECURITY ALARM – the door stopper alarm in "on" status,when door pressure is applied,the door alarm will be triggered while make extremely loud 120db alarm,helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection..
NON-SKID DOOR STOPPER – the door stopper alarm in "off" status,it can be used as common damping rubber base door wedge,hold door in open position,no any loud alarm sound..
3 SENSITIVITY LEVELS – Low - Medium - High,with an adjustable sensitivity switch on the side.
H level is the most sensitive level that vibration will trigger an alarm.
please note when the alarm sound gradually becomes smaller,it means to replace the new battery..
PORTABLE DOOR STOPPER ALARM – package include one door alarm,each weight about 120g.

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

Work as an anti-theft alarm, ideal for metal door and window.
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 ).
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.

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Air Curtain Door Switch Mars TZ6112 Combo Microswitch 42151

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..

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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.

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Flair Electronics Recessed Contact, Wire Leads, VIP94-2 (10 Pack)

5 Brown ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with 11" pigtail.
Will Sense Door Closer at Roughly 1/2” or 10mm.
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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Amcrest Home Security System, DIY Smart Home Alarm System for Home with No Monthly Fees, Remote Arm/Disarm & Phone App Alerts, 4 Pieces-Kit (PIR Motion Sensor, Door Window Sensor, Alarm Hub)

Wireless Security System - A smart way to protect your house with the Amcrest SmartHome Security System. This 4-piece kit includes the 1 PIR Motion Sensor, 2 Windows & Door sensors, and 1 Alarm Hub..
Smart Alarm System - Amcrest SmartHome Alarm Security System is an affordable solution for your home/business security. You have full control over the window/door alarms for home security through the smartphone SmartHome App and get instant notifications of alarm alerts in your house or business..
Customizable - You can add extra door and window sensors, PIR motion detectors to different rooms in your home/business security systems.
It supports the expansion of up to 32 door/window sensors and PIR Motions Sensors, which can be added to the WiFi alarm station..
DIY Installation - Easily set up the Amcrest SmartHome Alarm Kit Wireless Home Security System in minutes without tools. The wireless connection devices don't damage the wall. The alarm station should always connect via the USB cable to the AC adapter..
Simple, Reliable, Secure - You’ll receive a full 1-year US Warranty and Lifetime Support provided directly from Amcrest. Additional PIR Sensors (ASIN: B08X1KYYQ7) & Contact Sensors (ASIN: B08X4XZNW9)can be purchased separately..

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Door Alarm for Kids Safety Window Alarm sensors for Home Door Window Alarms Sensors for Home Security Multifunctional 3 Volume 10 Chimes Adjustable ON/Off Button Rechargeable 2 Door Sensors

[ Easy to Use & Install ] Simply stick your new door alarm on a flat, clean surface with 3M glue to upgrade your security! Includes instruction manual....
[ Maximize Safety Anywhere ] Prevent wandering children from leaving the house without notice! With this door alarm, you can know when someone leaves....
[ Enjoy Better Features ] Many common issues in other similar items have been optimized well in this product by our professional factory. Includes 3....
[ 100% Satisfaction ] Love it or your money back! We provide a lifetime service for our door window alarm. Please feel free to contact us if you have....
[ Compatible with Wuloo Receiver ] This door and window alarm sensor can connect with a Wuloo receiver for even more functions. For more information,....

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Hiistar Wireless Entry Home Door Window Burglar Alarm-Safety Security ALARM System Magnetic Sensor (Pack of 5)

Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more！.
Magnetic sensor switch detects your door or window..
Super loud 95 dB alarm.When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner.
Super environmental suitability and stability. If you encounter any product problems, please contact us in time, thank you.

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ZZRUI Upgraded 2 in 1 Portable Door Stopper Floor Wedge Security Alarm Loud 120db Entrance Alert Door Stop Alarm for Travel Home Apartment House (3 Packs)

DOOR STOPPER SECURITY ALARM – the door stopper alarm in "on" status,when door pressure is applied,the door alarm will be triggered while make extremely loud 120db alarm,helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection..
NON-SKID DOOR STOPPER – the door stopper alarm in "off" status,it can be used as common damping rubber base door wedge,hold door in open position,no any loud alarm sound..
battery-operated (requires 1x9V battery,not included).
place it under the door,the gap bewteen the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in),it can not slide on tile when door opens,smooth floor can try to use H-type sensitivity,vibration-sensing alarm..
3 SENSITIVITY LEVELS – Low - Medium - High,with an adjustable sensitivity switch on the side.
H level is the most sensitive level that vibration will trigger an alarm.
please note when the alarm sound gradually becomes smaller,it means to replace the new battery..
PORTABLE DOOR STOPPER ALARM – package include 3 door alarms,each weight about 120g.
ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc.

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KERUI Upgraded Standalone Home Office Shop Security Alarm System Kit,Wireless Loud Indoor/Outdoor Weatherproof Siren Horn with Remote Control and Door Contact Sensor,Motion Sensor,Up to 115db

...,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm system kit,please feel free to contact us in our shop,we will try our best to help you out soon.
the alarm system kit can compatible with KERUI brand another type alarm hub,DIY complete alarm system as your need..

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