Công tắc từ không dây HIKVISION DS-PD1-MC-WWS (Gen1) – 433MHz RF two-way wireless – Power by battery – AES-128 encryption – Alarm: Tamper alarm, intruder alarm – Communication distance: 800M (Open area) Thông số kỹ thuật Model DS-PD1-MC-WWS Transmitting frequency 433MHz RF Transmission distance 800m (Open area) LED indicator 1 Tamper switch Supported (Front shell and Rear cover) Power interface CR123A 3.0V, 2 years Operation temperature -10°C ~ +55°C Operation […]