Wireless internal sounder

• 868 MHz two-way wireless communication
• Configurable arming/disarming prompt sound and LED indicator
• 3 years battery life span (triggered every two weeks and alerting 90 sec 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: 90 to 110 dB
• Fully remote configurable through APP
• Multiple enrollment methods and easy installation design
• Frequency hopping against jamming for reliable transmission