Airthings View Plus 2960 Air Quality MonitorWi-Fi, Bluetooth, Temperature, Humidity, Air quality, Gas, CO₂, Battery, USB(6)£165.50
Google Nest Protect Smoke + CO Alarm (2nd Generation) Battery S3000BWWi-Fi, Bluetooth, Smoke, Motion, Temperature, Light, Humidity, Fire, Battery(20)£149.99
Aqara Window/Door SensorZigBee, Wi-Fi, Bluetooth, HomeKit, Matter, Thread, Door/Window, Battery(8)£14.44
‌TP-Link Tapo T110 Door/Window Sensor868MHz (not Z-wave/ZigBee), Wi-Fi, Matter, Motion, Door/Window(2)£17.15
‌Netatmo Smart Smoke AlarmWi-Fi, Bluetooth, HomeKit, Smoke, Motion, Temperature, Fire, Battery(4)£69.99
‌TP-Link Tapo T310 Temperature & Humidity SensorWi-Fi, Matter, Motion, Water leakage, Temperature, Humidity, Battery£14.99
‌Aqara T1 Temperature and Humidity SensorZigBee, Wi-Fi, HomeKit, Matter, Temperature, Humidity, Battery(3)£18.18
‌Netatmo Smart Indoor Air Quality MonitorWi-Fi, HomeKit, Temperature, Humidity, Audio, Air quality, CO₂, Mains, USB(2)£137.00
‌Aqara Motion SensorZigBee, Wi-Fi, Bluetooth, HomeKit, Matter, Motion, Temperature, Light, Vibration, Battery(3)£14.58