... dial 2.433/315MHz 3.Dial out 1 monitor center, 6 phone num. 4.PSTN, LED ... the system by your mobile phone. It can monitor the houses,shops,convenience stores, hospitals,schools,libraries ... remote control or keypad on the control panel.• Can arm/disarm/listen-in by calling the host ... Capacity for Wireless Device:160pcsStandard pack components 1 main panel, 1 wireless PIR detector, 1 wireless door sensor ...