DS-PS1-E-WB Hikvision Wireless External Sounder  433 MHz two-way

This listing includes:
 (1) ACCESSORIES: DS-PS1-E-WB

DS-PS1-E-WB  view data sheet
Wireless External Sounder
433 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