... Description Main features: 1.Two-way to communication.2. Wireless LED defense zone and wired defense zone3. The system supports ... on Technical parameter: Operating voltage: Input 100-250V, output 12V. Wireless receiving distance: >100mOperating Frequency: 433 MHZ, 850/900/1800/ ... kits: a main panel,a voice speaker, a wireless PIR detector, a wireless door/window gap detector a siren, two remote ...