Dahua Wireless Keyfob
> SOS emergency call;
> Frequency hopping function and two-way communication technology ensure communication stability;
> Cloud update and automatic recovery from update failure.
Indicator Light
1 × two-color status indicator (green: normal, red: abnormal)
Button
4 (Home, Away, Disarm, and SOS)
Remote Update
Cloud update
Low Battery Detection
Yes
Wireless
Carrier Frequency
868.0 MHz–868.6 MHz
Transmitter Power (EIRP)
Limit 25 mW
Communication Mechanism
Two-way
Communication Distance
Up to 900 m (2,952.76 ft) in an open space
Encryption Mode
AES128
Frequency Hopping
Yes