Enjoy effortless Installation with Convenient Mounting Pads (Batteries Included). This user-friendly device is designed to enhance the Security of Your Doors and Windows. It features a powerful 105 dB Instant Alarm equipped with a convenient On/Off Switch.
eBay
IMOU Home Wifi Alarm System Zigbee 3.0 Real Time App Push Motion Sensor Alarm Siren Window Door Sensor IP Camera Work with Alexa
Aliexpress UK
The Ring Alarm Door & Window Contact Sensor (2nd Gen) is a new addition to your home security system. This device is designed to alert you when a door or window is opened, providing added protection and peace of mind. Easy to install and use, it enhances the security of your home.
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Tuya ZigBee Smart Door Window Sensor Door Open Closed Detectors Smart Home Security Protection Alarm System for Alexa Google
Aliexpress UK
Wireless accessory for Yale HSA6000 alarm range. Can be attached to any door/window surface around the house.
eBay
2pcs Door Stop Alarm with 120dB Siren Portable Door Stopper Security Alarm for Home Hotel 3 Levels Sensitivity Door Wedge Alarm
Aliexpress UK
External Siren Compatible. Its wireless connectivity and wall-mounted design make it easy to install and operate, providing peace of mind for your indoor surveillance needs. - Panic Alarm Feature.
eBay
Easy Setup: Install in minutes all by yourself. The entry sensors attach to doors and windows, while the motion sensor and keypad can be secured to walls via the included mounts. No Monthly Fees: Designed to protect your home as well as your wallet,...
eufy
eBay
Portable Alarm Door Stopper Suction Cup Door Lock Brace not Alarm /Alarm Type Self-Defense Security Device For Anti Theft
Aliexpress UK
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Elecpow Door Window Alarm Home Security Wireless Burglar Alarm Door Magnetic Sensor 120dB Anti-theft Alarm For Home Kids Safety
Aliexpress UK
Sits discreetly on any window/ door, the sensor is battery powered with no wires. The EMAG is a Two Way Door/Window Sensor that can be installed on doors, windows and any other objects that open and close.
eBay
Awapow Wireless Door Alarm With Remote Control Anti-Theft Door And Window Security Alarms Home Security Sensor Burglar Alarms
Aliexpress UK
Not only an antitheft alarm but also a doorbell, in doorbell mode, the vibration alarm detects vibration and sounds "Dingdong". SOS key: Press it, the alarm will bell 110db voice though alarm is not triggered.
eBay
Camluxy Tuya WiFi Window Alarm Glass Break Sensor Alarm 130dB Anti-Theft Vibration Detector Alarm for Home Door Window Security
Aliexpress UK