Description :

KERUI F51 433MHz Wireless SOS Button Emergency Alarm Door Bell Button For GSM PSTN Smart Home System

Features :

Wireless waiter call button systems.
Waterproof.
One Button transmitter.
Long receive distance 100M for open area.
 

Specification :
 

Working Voltage: 12V DC
Standby Current: ≤5uA
RF Frequency: 433 MHZ
Transmitting Current:  ≤15mA
Operating Temperature: Indoor -10℃ to 50℃
Sending Distance: 100m (Open area) 
 

Package includeds :

1 x KERUI F51 Wireless SOS Button
 

Details pictures :