Specifications:
> Infra-Red Photoelectric Smoke Sensor
> Detects Smoke in areas up to 20 Square Meters
> Includes Test Hush Button
> 433MHz
> Includes 85dB Siren
> Size 50mmx 50mm
> Lithium Battery included
> Apps: Tuya or Smart Life
> Easy to Follow User Instructions
> Free Phone Support
> One Year Warranty.
Price: $79.95
