HIkvision Alarm DS-PS1-E-WB Wireless External Sounder

Key Features
● 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