Key Features • 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