1/2/4/5/8/10PCS Window Door Burglar Security Alarm. This product is easy to install, only need to paste the main and auxiliary parts on the cover and the chassis, or two windows, and align (leave about 5 mm gap).
eBay
Ewelink Zigbee 3.0 Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works With Zigbee Hub Z2M
Aliexpress UK
Sensor type: alarm. Compact size alarm. - Magnetic sensor switch detects entry. Test the setup by switching on the system of the main unit and see whether the alarm can be triggered by opening the door/windows.
eBay
WiFi/Zigbee Water Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System
Aliexpress UK
Low power consumption, long battery life. Adjustable detecting distance. Low power indication.
eBay
Motion Sensor Alarm with Remote Control, Indoor Wireless Infrared Security Motion Detector with Siren (125dB)
Aliexpress UK
1.NO means Normally Open: when the magnet separate, the circuit is conductive( light on );When the magnet together, the circuit is not conductive ( light off ).When make order,please check carefully! 2.NC means Normally Closed: when the magnet separate, the circuit is not conductive( light off );When the magnet together, the circuit is conductive ( light on ).When make order,please check carefully!Note: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp!.
eBay
KERUI M525 Wireless DoorBell Burglar Alarm 32 Songs Optional 500ft Door Chime Home Security Welcome Smart Anti Theft Doorbell
Aliexpress UK
eBay
KERUI M525 Wireless DoorBell Burglar Alarm 32 Songs Optional 500ft Door Chime Home Security Welcome Smart Anti Theft Doorbell
Aliexpress UK
Home Security Keeping your home safe Easy to install and low maintenance, the Door and Window Security Alarm Sensor is perfect for securing your home. With its compact and stylish design, the alarm can be cleverly placed on a variety of doors and around any style of window in your home, providing you with top-notch security. DIY home security system. Many burglaries are through doors/windows, especially side doors, back doors and garage doors. Not only DIY door and window alarms, but also doorbell/pool alarms if children/pets Or visitors come/go, child safety or help inform you, and emergency alert systems for elderly/patients. Installation Instruction Easy installation - Just peel and stick.
eBay
ANENG Smart Home Doorbell Wireless Security Doorbell US/EU 25 Songs 4 Volume Adjustable Chime Security Alarm Call Door Receive
Aliexpress UK
External Wired Alarm Connectors 1 channel external wireless siren. Accessories Alarm Function Support battery abnormal alarm, low power battery anti-pry alarm. Siren Output <500mA. wireless parts low power alarm, tamper alarm function etc.
eBay
KERUI W184 4G WIFI GSM Alarm System Unit Wireless Home Tuya Smart APP Control Motion Sensor Burglar Support Alexa Motion Sensor
Aliexpress UK
Wireless Window Door Sensor TUYA WIFI Wireless Burglar Alarm Alexa Google. - Connects easily to the Tuya "Smart Life - Smart Living" app. - Compatible with Alexa and Google Assistant. - Sensor compatible with WiFi wireless smart alarm.
eBay
DC/AC 12-24V sensor alarm infrared beam sensor photocell waterproof IP55 Swing /Sliding/Garage Gate Safety Infrared Photocells
Aliexpress UK