Wireless External Siren

CC-DS-PS1-E-WB433 MHz two-way wireless communication3 years battery life span (triggered every two weeks and alerting 90 s for each triggering)AES-128 encryptionFront and rear panel tamper-proof3 kinds of alarm sounds: fire alarm, panic alarm, and intrusion alarmBuzzer Decibel: 110 dB like other wired alarms Bosch / Hills / Ness.Fully remote configurable through AppMultiple enrollment methods and easy installation designFrequency hopping against jamming for reliable transmissionIP65 protective level