... )Super gsm signal with English voice prompt; 3)Max adding 50pcs remote control + 50pcs detectors. Item: Home Wireless ... residential estate, garage, warehouseMain Functions of Alarm Panel1. Super GSM wireless signals, voice prompt, ease of use. Can install ... -Control Panel(GSM control unite)1pc-Wireless PIR detector1pc-Wireless door sensor2pc-Wireless Plastic Remote controller1pc-Wired Siren 110dB1pc ...