Wireless coverage up to 240m ensures you never miss an entry. 💕 【Upgrade Durability】: Our upgraded door alarm sensor boasts a robust 100,000-use lifespan after rigorous testing, outperforming competitors.
eBay
433Mhz Indoor Wireless Siren Alarm For Smart Security Alarm System PG103, PG105, PG107, PG108
Aliexpress UK
Non-Skid Door Stopper. No wiring needed, just put 9v battery in and switch the button on the back to “ON” then it can works. The bottoms are made of synthetic rubber for keep the alarm from slipping.
eBay
Ewelink Zigbee3.0 Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works With Zigbee Gateway
Aliexpress UK
Weight: 128g. • Portable Doorstop Preasure Alarm : The alarm system can be easily carried around, making it convenient to use in different locations. You can use it as common door stopper when turn down the ON/OFF switch,hold door in open position.
eBay
KERUI P861 Outdoor Waterproof PIR Motion Sensor Detector For Wireless Security Alarm System 5P/lot Driveway Garage Burglar Alarm
Aliexpress UK
120db ultra loud alarm ringing. When you install the in your house, office or factory, it will ring to alarm once children open the doors and windows or a theft breaks in. 1 Wireless. If you are satisfied with our service, pls.
eBay
Ewelink Zigbee3.0 Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works With Zigbee Gateway
Aliexpress UK
Alarm output: open the door and alarm after arming, and trigger the detector to alarm after arming. Its compact size is ideal for installation on doors and windows, notifies you when doors or windows open.
eBay
Ewelink Zigbee 3.0 Water Sensor Alarm Water Flood Leak Detector Remote Monitoring Overflow Security Alarm System Support ZHA Z2M
Aliexpress UK
Type: Door Stop Alarm. 2/4 × Door Stop Alarm. Net weight: 120g/4.2oz. Battery: 1 9V battery(Not include). Size: 14 4.5 3.8CM/5.5 1.8 1.5”. Shape: Wedge-shaped.
eBay
KERUI Motion Sensor Doorbell Door Chime for Business Store Door Visitor Entry Bell Detect Alarm Caregiver Reminder for Elderly
Aliexpress UK
Wireless Rolling Door Sensor 433MHz Home Security Alarm System
eBay
Intelligent Tuya APP Wireless WIFI Doorbell Home Alarm Welcome Doorbell Waterproof Remote Smart Door Bell Chime EU UK US Plug
Aliexpress UK
It will alarm when the door or window is opened, and will stop alarm once you close the door or window. Alarm mode switch button---Switch alarm mode and dingdong mode. SOS button---Regardless of disarming or arming, press this button and the alarm will lasts for one minute unless you press “SET” button on the alarm or press "Disarm" button on the remote to turn it off early.
eBay
Tuya WiFi/Zigbee Door Window Sensor Smart Home Wireless Door Detector Door Open / Closed Alarm System work With Tuya Smart Life
Aliexpress UK