hikvision cctv malaysia, DS-PD1-SMK-W, hikvision cctv system

DS-PD1-SMK-W
Wireless Smoke Detector
MAIN FEATURES
 Communication Frequency: 433MHz  Function of preventing wireless data collision  Two-way wireless technology, distance: 800m (open area)  Wireless data is secured by AES-128 encryption  3V CR123A power supply for 5 years