DS-PSI-I-WB Hikvision Wireless Internal Sounder 433 MHz two-way Western Digital You won’t waste time chasing

You won’t waste time chasing false alerts or dealing with clunky cabling

That means you get room to grow

and replacing the system sooner than expected

Wide Operating Range — Performs reliably from -40 °C to 60 °C

DS-PSI-I-WB Hikvision Wireless Internal Sounder 433 MHz two-way Western Digital You won’t waste time chasingDS PSI I WB Hikvision Wireless Internal Sounder 433 MHz two way This listing includes: (1) ACCESSORIES:DS PSI I WB DS PSI I WB view data sheet Wireless Internal Sounder 433 MHz two way wireless communication Configurable arming disarming prompt sound and LED indicator 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,