... 3. got CE/FCC/CCC certificate 4. GSM easy to install GSM wireless Alarm Systems Product IntroductionThe product has large LCD ... , petroleum, coal, government, public security and other unattended positions. 1. 7 wired and 99 wireless defense zones;2. LCD screen ... 110dB Standard pack components1 main panel, 1 wireless infrared (motion) detector, 1 wireless door magnetic detector,1 siren, 2 remote ...