24/7 Lifeguard For Your Family -- The Door Alarm Sensor Will Detect The Door/window, And Will Be Triggered To Send Out A Signal When The Door/window Opening. We Use Multi-color Led Reminders To Help People With Poor Hearing Find Guests Or Thieves Coming.
eBay
Wireless Intelligent PIR Motion Sensor Alarm Detector For Home Burglar Alarm System Security Built-in antenna Free Shipping
Aliexpress UK
The Door Alarm Sensor is the perfect solution for enhancing your home security. This door alarm is designed to detect any unauthorized entry or door opening, acting as a reliable deterrent against potential intruders.SpecificationMaterial: ABSSound Intensity: 125dBPower Source: LR44*3 (included)Installation Distance: <10mmAlarm Host Size: 75mm x 39mm x 12mm/ 2.95" x 1.54" x 0.47" (L*W*H)Magnetic Strip Size: 32mm x 11.5mm x 10mm/ 1.26" x 0.45" x 0.39" (L*W*H)Packing List: 1 x Door Window AlarmAdvantageFeaturing a loud 125dB a-lert sound, this door alarm ensures that any rare activity is immediately detected and brings attention to the situation. With its high decibel output, it not only a-lerts those inside the house but also acts as a deterrent to scare off intruders.
eBay
Ewelink Zigbee3.0 Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works With Zigbee Gateway
Aliexpress UK
130dB loud alarm can effectively prevent intruder entering through your door, window and alert your neighbors of a possible break-in. It prevents your children from sneaking out the door or intruders from entering.
eBay
Topvico 3pcs Water Leakage Sensor Alarm Detector 90dB Voice Wireless Water Leak Detector House Safety Home Security Alarm System
Aliexpress UK
Idea for roller shutter door. Zinc alloy housing, sliver grey. Detecting door gap by opening. Be used to detect door if it is opened or moved.
eBay
Mini Wireless Alarm Door Stop Alarm 120dB Great for Home Wedge Shaped Stopper Alert Security System Block Blocking System
Aliexpress UK
Experience peace of mind with our Compact Magnetic Door and Window Sensor Alarm. Designed for secure living, this alarm emits a piercing 120 dB sound when a door or window is opened beyond 1 cm, ensuring swift deterrence against potential intruders.
eBay
Wedge-shaped Alarm Anti-theft Door Stopper Block Alarm Wireless Stainless Steel Cover Small Sensitivity Portable for Apartment
Aliexpress UK
24/7 Lifeguard for Your Family -- The door alarm sensor will detect the door/window, and will be triggered to send out a signal when the door/window opening. We use multi-color led reminders to help people with poor hearing find guests or thieves coming.
eBay
Glass Break Alarm Button Fire Alarm Emergency Door Release Switches Exit Release Switch
Aliexpress UK
Use it to monitor any area inside or outside, it's wireless so you can place it anywhere in the house or even take it from room to room. Wireless Plug-in Receiver: The portable wireless plug-in receiver plugs into any standard outlet.
eBay
3-1PC Mini Wireless Alarm Door Stop Alarm 120dB Great for Home Wedge Shaped Stopper Alert Security System Block Blocking System
Aliexpress UK
Use it to monitor any area inside or outside, it's wireless so you can place it anywhere in the house or even take it from room to room. Wireless Plug-in Receiver: The portable wireless plug-in receiver plugs into any standard outlet.
eBay
Aqara Water Leak Sensor ZigBee Water Immersing Detector Alarm Security Soaking Sensor Home Assistant for Xiaomi Mi Home Homekit
Aliexpress UK