Wireless Welcome Doorbell ●Shop Keeper in day time,anti-thief in the night,welcome/doorbell/alarm/color lights/lighting 5in1 multi-function ●Remote transmission range up to 280M/918ft in the open space ●8 chord music chip,40mm big horn,36 chime melodies,remember your last set melody and volume level once powered off ●Colorful LED lights,adjustable brightness,distinguish multiple entrances by different colors ●4 stages adjustable volume(Loud/High/Middle/Low)from 113-25dB ●Receiver can learn from up to 32 wireless sensors like PIR motion,magnetic or vibration sensor as well as up to 8 remote controllers. Door Window Anti-theft Alarm Using electromagnetic induction technology, easy to install. The open state, as long as the open windows and doors, the machine will send out 110db alarm.
eBay
Creative Motorcycle Alarm Clock Portable Desktop Alarm Clock For Children Friends Gift Bedhead Alarm Clock Table Decor
Aliexpress UK
✔ 230m Long-Distance Range. ✔ Loud 90dB Alert Signal. ✔ 2-Piece Entry Alarm Set. Its strong magnetic sensor technology ensures consistent triggering, while the compact build makes it suitable for virtually any application.
eBay
GIRIER ZigBee Water Leak Sensor Smart Leakage Detector Alarm for Smart Home Security IP66 Waterproof Works Home Assistant Alexa
Aliexpress UK
It will sound once again when the door or window is closed and reopened. - 110dB alarm siren when window or door is opened. To disarm the unit, move the switch to OFF position. Make sure the window, door or cabinet is closed before rearming.
eBay
ZigBee Smart Water Sensor Leak Detector Flood Water Leakage Alarm EWelink App Remote Control Support Home Assistant Zigbee2mqtt
Aliexpress UK
External wired alarm connectors: 1 channel external wireless siren, 1 channel. Siren output：<500mA. GSM system：850/900/1800/1900MHz. Support the alarm such as battery problem, low power battery anti-pry alarm etc.
eBay
KERUI Motion Sensor Doorbell Door Chime for Business Store Door Visitor Entry Bell Detect Alarm Caregiver Reminder for Elderly
Aliexpress UK
eBay
HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
Aliexpress UK
Photoelectric vibration sensor with adjustable sensitivity. Low power consumption, tampering function, alarm indication Small size, convenient in use, elegant style, perfect decoration. 1 x Detector.
eBay
Aqara Smart Vibration Sensor Zigbee3.0 Mini Glass Break Detection Alarm Monitor Built In Gyro For Home Safety For Xiaomi MI home
Aliexpress UK
If you have 3 alarms, Alarm 1, Alarm 2, Alarm 3, and 2 remotes, Remote 1, Remote 2. One alarm also can be paired with multiple remotes. 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
Zigbee Vibration Sensor With Tilt XYZ Axis Detection Home Security Real-Time Motion Shock Alarm SensorFor Home Assistant Z2MQTT
Aliexpress UK
♥【Transmitters or Receivers are Expandable】When the door/window opens,the sensor will be triggered to send out a signal,the receiver will receive the signal and alert. The transmitter is battery-powered (battery included), the sensor and magnet can be fixed with double-sided tape (included).
eBay
Xiaomi DUKA MT2 Thermohygrometer Alarm Clock Multi-function Temperature and Humidity Meter Sensor Indoor Clock Night Light Tools
Aliexpress UK