The wireless external sounder, supporting 868 Mhz wireless communication, Tri-X wireless protocol, multiple enrollment methods, two-way wireless communication, multiple alarm sounds, and strobe light indication, is used for instant alarm alerting.
- 868 MHz two-way wireless communication
 
- 3 years battery life span (triggered every two weeks and alerting 90 s for each triggering)
 
- AES-128 encryption
 
- Front and rear panel tamper-proof
 
- 3 kinds of alarm sounds: fire alarm, panic alarm, and intrusion alarm
 
- Buzzer Decibel: 110 dB
 
- Fully remote configurable through App
 
- Multiple enrollment methods and easy installation design
 
- Frequency hopping against jamming for reliable transmission
 
- IP65 protective level