Hikvision AX PRO Sirena da Esterno Wireless 868MHz DS-PS1-E-WE
Wireless external sounder 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...