Multi-purpose Suitable for various types of doors windows (sliding/crank/hung....doors and windows ), cabinets, and drawers... Real-time State Protection Immediately alarm while thief pushing the door or window. Response in 200ms. Triggered immediately Alarm will be triggered immediately once you separate two parts.110 db loud alarm helps deter intruder and possibly notifies neighbors/homeowner, also helps notify you if visitors/children/pet or others are coming/going when you are at home. Easy Installation The double-sided stickers on the back allow you to easily paste this alarm kit onto any smooth surface.
eBay
Tuya WiFi or Zigbee Door Sensor Smart Life Home Security Door Open Alert Sensor Window Sensor Alarm System with Black Color
Aliexpress UK
For indoor use only. 3️⃣Press “M ” key --> 🔒 Alarm Mode --> Press “🎵 ” key --> Choose an alarm sound. Step 3: Press “🎵 ” key to choose the color of Indicator (color, red, green, blue in order). Low battery indication.
eBay
KERUI M521 Wireless Doorbell Outdoor Smart Home Security Welcome Chime Kit 57 Songs Door Bell Alarm LED Light Waterproof Button
Aliexpress UK
Premium quality security keypad made of anti-rust and durable ABS material. 1 Security Keypad Door Alarm System. Battery: 3 AA(No.5)(Excluded ). If you are satisfied with our service, pls. Material: ABS.
eBay
Ewelink ZigBee Door And Window Sensor Smart Home Security Wireless Burglar Alarm Door Contact Sensor Detector Works With Alexa
Aliexpress UK
Suitable for Bikes, Electric Bike, Motorcycles,Scooter, Car, Trailer, Luggage, Doors and Windows -USB Rechargeable -Loud alarm & Adjustable Volume,Up to 110dB loud alarm, 3 lever adjustable volume -Vibration alarm, 7 level sensitivity adjustable -IP54 waterproof -Remote control, easy to find your vehicle by 3 kinds of bells -Easy to install & use: Super easy installation by pasting with double-sided sticker or tying it with strap and Bracket -DIY pair Alarm Battery:4.2V 700mAh lithium battery Working Time(Alarm) :1~3 months,standby time 6 months Alarm Charge Port : Standard USB-C 5V Remote Battery : 27A(12V) Alkaline battery Working Time(Remote) :1~2 years（5 times per day) Working Frequency:433.92MHz Working Environment Humidity ： <80% Warranty: 2-year.
eBay
Zigbee Door Window Sensor Open Closed Detector Security Wireless Burglar Alarm Door Sensors Support Alexa Home Assistant Z2M
Aliexpress UK
Loud 110dB siren for maximum security. High-sensitivity touch sensor for accurate detection. Ideal for improving safety and peace of mind.
eBay
ZigBee Door And Window Sensor Home Security Wireless Burglar Alarm Door Sensor Detector Works With Ewelink App Alexa Zigbee2mqtt
Aliexpress UK
Self Adhesive Backside. 2 X Window & Door Alarm. Security Alarm. 105DB sound Alarm. The goods must.
eBay
EWelink ZigBee Door And Window Magnetic Sensor Wireless Door Alarm Detector Smart Home Security Works With Zigbee2MQTT Alexa ZHA
Aliexpress UK
Can be used as a door stop alarm and door stopper, A protector around you. Just put the door stop security Alarm under the door and turn on the switch. It is the high damping rubber at the bottom which can prevent the door sliding.
eBay
2 In 1 Zigbee Door Window Sensor With Lux Light/Vibration Sensor Home Security Alarm Door Detector Support Home Assistant Z2M
Aliexpress UK
It sounds a 125dB siren for 20 seconds, repeating if necessary. When a thief touches the door, the door lock will sense the force and generate an alarm. The alarm lasts for 20 seconds, making the thief unable to achieve his goal.
eBay
Zigbee 3.0 Door Window Sensor With Brightness/Vibration Sensor Smart Home Security Protection Alarm Door Open /Closed Detector
Aliexpress UK