Wireless Door Window Magnetic Sensor Security Alarm Kit. 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
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway
Aliexpress UK
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
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway
Aliexpress UK
Easy to switch both on and off by the flick of a switch. Simply peel off the backing strip on the mounting pad and apply where desired on both doors and windows. Simple to install, simple to operate and assured peace of mind.
eBay
Wireless Door And Window Vibration Sensor Alarm 125dB Glass Breakage Anti-theft Sensor, Easy Install For Home Safety Protection
Aliexpress UK
Small and beautiful appearance for the Infrared detector. Optical antiinterferencia Housing Professional. Technology: Infrared. Unique design of the Circuit of Digital Filter with High Capacity anti RFI / EMI.
eBay
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway
Aliexpress UK
1 Wireless PIR Motion Detector with 9V Battery. The host supports up to 30pcs wireless detectors, 8pcs remote key fobs, 4 doorbell buttons. Alarm sound: up to 115 dB. 2 Wireless Remote Key Fobs with 23A 12V Battery.
eBay
Aqara Door Window Sensor Zigbee Matter Smart Home Mini Wireless Alarm Low Power Works with Apple HomeKit Xiaomi Mi Home and More
Aliexpress UK
Set up your Ring Alarm in minutes without the need for tools or professional installation. It's that simple. With an optional Ring Protect Plus plan, get more for less. Always connected, and always protected with 4G backup in case your internet goes down.
eBay
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway
Aliexpress UK
Weight: 128g. You can use it as common door stopper when turn down the ON/OFF switch,hold door in open position. Volumn of the alarm: 120 dB. This is an upgrade door stop than others.It is more durable than others with better quality.
eBay
Zigbee Door Window Magnetic Sensor Open Closed Alarm Detector Ewelink APP work With Alexa Google Need Gateway Black White Color
Aliexpress UK
Can be used as a doorstop when power switch is turned off. 1 Door Stop Alarm. Battery: 1 9V battery(Excluded ). No installation required, easy for travelers to carry. If you are satisfied with our service, pls.
eBay
WiFi Smart Door Lock Indoor Password Fingerprint Remote Unlock Keycard Antihijack Tamper Alarm Battery Powered Temporary Charge
Aliexpress UK