... and departments of electricity, petroleum, coal, government, public security and other unattended positions. 1. 4 wired and 12 ... accept unlimited wireless sensors including door,PIR sensor,vibration sensors,smoke sensor,gas sensor, water sensor etc. 3. Does can work in ... 110dB Standard pack components1 main panel, 1 wireless infrared (motion) detector, 1 wireless door magnetic detector,1 siren, 2 ...