Hikvision Wireless indoor siren with 2-way communication 868 Mhz, white, compatible with AX Pro, 4x 123A battery.

The wireless internal sounder DS-PS1-II-WE, supporting 868MHz two-way communication via Cam-X protocol, multiple alarm sounds, strobe light indication, is used for instant alerting when alarm triggered. Meanwhile, it supports two-way audio function for ARCs to do the alarm verification, which can help the users to know what is the real situation on-site immediately. Specifications: 868 MHz two-way wireless communication. Configurable arming/disarming prompt sound and LED indicator. Two-way talk via RF transmission. Buzzer Decibel: 90 to 110 dB. Long battery life span. 3 kinds of alarm sounds: fire alarm, panic alarm, and intrusion alarm. Fully remote configurable through App. Multiple enrollment methods and easy installation design.