Wireless Door Window Magnetic Sensor Security Alarm Kit. Response in 200ms. Door/Window Security Alarm Kit. The double-sided stickers on the back allow you to easily paste this alarm kit onto any smooth surface.
eBay
Aqara P1 Door Window Sensor Zigbee 3.0 Smart Home Wireless Anti-theft Homekit Induction Door Magnetic Alarm For HomeKit APP
Aliexpress UK
Easily mounted by adhesive tape to window or door. Super loud 90 dB alarm, you will not miss it. Sensor Type: Alarm. Alarm Type: Sound. 1 Magnetic Sensor. 1 Magnetic Bar. Operated by 3pcs of 1.
eBay
Tuya WiFi/ZigBee Door Window Sensor Smart Home Wireless Door Open Close Detectors APP Remote Alarm Work with Alexa Google Home
Aliexpress UK
Wireless Security & Motion Detector with Alexa Integration. Why choose our Smart Door Alarm Sensors?. Don't compromise on safety or comfort. Automate your lighting for convenience and safety. Effortless Installation: Tool-free setup allows for quick installation in seconds.
eBay
Tuya WiFi/ZigBee Door Window Sensor Smart Home Wireless Door Open Close Detectors APP Remote Alarm Work with Alexa Google Home
Aliexpress UK
Easily setup your KERUI Alarm by plugging in your base station, connecting to wifi via the Tuya Smart app, and placing your sensors in their ideal locations. Built-in Siren and With 110db wired siren.
eBay
Tuya WiFi or ZigBee Door Window Sensor Smart Home Wireless Door Open Close Detectors APP Remote Alarm Work with Yandex Alexa
Aliexpress UK
●INSTANT-----When the switch is in the INSTAN state, enter the password + "#" to turn on the function. After 10 seconds, it will enter the alert state. To stop the alarm sound midway, you can enter the password + "#" during the alarm process to cancel the alarm.
eBay
Aqara Water Leakage Sensor Water Leak Detector Sensor IP67 For Home Remote Alarm Security Sensor for Mi Home Homekit app
Aliexpress UK
Alarm decibel: 120db. STRONG DETERRENT: Built-in high-loudness alarm horn, the decibel reaches 120db, making a harsh sound, powerfully deterring thieves. DUAL MODE SELECTION: Switch and alarm mode integrated key, push up is the doorbell, push down is the alarm sound, when not in use, the switch key resets.
eBay
Scare off would-be intruders and alert the neighborhood with this wireless 105 dB indoor/outdoor siren. Loud 105 dB siren makes sure the alarm is heard when a security risk is detected. IP65 weather-resistant design, so the siren can be used indoors...
eufy UK
Low power consumption, long battery life. Adjustable detecting distance. Low power indication.
eBay
Aqara Water Leakage Sensor Water Leak Detector Sensor IP67 Smart Home Remote Alarm Security Soaking Sensor For Xiaomi mijia App
Aliexpress UK
1 Wireless PIR Motion Detector with 9V Battery. The host supports up to 30pcs wireless detectors, 8pcs remote key fobs, 4 doorbell buttons. 2 Wireless Remote Key Fobs with 23A 12V Battery. 2 Wireless Door Sensors with 23A 12V Battery.
eBay
Aqara Water Leak Sensor ZigBee Water Immersing Detector Alarm Security Soaking Sensor Home Assistant for Xiaomi Mi Home Homekit
Aliexpress UK