HOCO HI25 WIRELESS DOORBELL (EU)

Material
ABS
size
70*40*11mm
weight
23g
Wireless frequency
433.92 MHz
wireless distance
150m (open area)
Battery capacity
210mAh/CR2032

2. Receiver:
Material
ABS
size
88*46*26mm
weight
42g
Wireless frequency
433.92MHz
wireless distance
20m (indoor)