The optical smoke sensing chamber works by ‘seeing’ smoke as it enters the alarm ‑ making it perfect for slow burning fires where there is thick white smoke. For the fastest response to all fire types search for FireAngel Thermoptek Alarms.
eBay
1-3pcs ZigBee Door Sensor Smart Home Window Entry Detector Tuya Smart Home Alarm System Voice Control Magnetic Security Sensor
Aliexpress UK
Long lifespan up to 10 years (usage dependent). Loud audible alarm with visual light indicator. Low battery warning indicator. Install away from direct heat, steam, or cooking appliances. Test the alarm regularly using the test button.
eBay
Aqara Zigbee Submersion Sensor Water Overflow Leak Detector Alarm Security Immersion Sensor IP67 Waterproof for Mi Home Homekit
Aliexpress UK
The FireAngel FS2126-T Multi Sensor Smoke Alarm is a reliable and long-lasting smoke detector that operates on a 10-year battery life. With its wireless design and white colour, this alarm is easy to install and blend seamlessly into any living space. The manufacturer warranty of 10 years provides peace of mind, knowing that your home is protected by a trusted brand in the industry. The FireAngel FS2126-T is a smart choice for ensuring safety and security in your household.
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Ewelink Zigbee 3.0 Water Sensor Alarm Water Flood Leak Detector Remote Monitoring Overflow Security Alarm System Support ZHA Z2M
Aliexpress UK
The product is a set of two FireAngel ST-750T Thermoptek Enhanced Optical Smoke Alarms, both equipped with batteries and designed in a sleek white colour.
eBay
2 In 1 Zigbee Door Window Sensor With Lux Light/Vibration Sensor Home Security Alarm Door Detector Support Home Assistant Z2M
Aliexpress UK
Product life span: 10 year. Battery life: 2 x 1.5 V AA (replaceable battery Included) replaceable battery Included. Sounds a loud 85 dB alarm. Optical smoke sensing technology detects slow smouldering fire.
eBay
Zigbee 3.0 Door Window Sensor With Brightness/Vibration Sensor Smart Home Security Protection Alarm Door Open /Closed Detector
Aliexpress UK
1x Smoke detector. Static current:≤15uA. Alarm sound pressure:80db/1m. Alarm current:≤160mA. 2x DC1.5V battery.
eBay
Zigbee Door Sensor Magnetic Window Open Closed Alarm Detector Works With Ewelink APP Alexa Google Need Gateway Black White Color
Aliexpress UK
Product life span: 10 year. Battery life: 1 x 9 V 1 year (replaceable battery Included) replaceable battery Included. Sounds a loud 85 dB alarm. Optical smoke sensing technology detects slow smouldering fire.
eBay
Tuya WiFi/Zigbee Door Window Sensor Smart Home Wireless Door Detector Door Open / Closed Alarm System work With Tuya Smart Life
Aliexpress UK
You can easily switch off unwanted alarms via the app without having to press the mute button with a broomstick or climb a ladder. 1x WiFi smoke sensor. Alarm sound pressure: 85db/1m. Alarm current: ≤ 160mA.
eBay
MOES Tuya ZigBee3.0 Smart Window Door Gate Sensor Detector Smart Home Security Alarm System Smart Life App For Alexa Google Home
Aliexpress UK