DSC smoke + temperature detector PG8916

– Long battery life (up to 5 years)
– Wireless
– 868 Mhz
– Wall mount tamper
– Power supply: 3V CR123A (2.5V – 3V)
– Sound and visual signal when the battery is running low (activated at 2.5V)
– Coverage area: 50-100 cubic meters
– Dimensions: 120mm x 63mm
– Operating temp: -10 ° C ~ + 55 ° C

Datasheet

Manual