1.Wireless alarm system auto dial 2.433/315MHz 3.Dial out ... lamps,billboards,farms and other unattended positions Name: Wireless alarm system auto dial Memo: Wireless alarm system, auto-dial alarm, security alarm ... -10~40°C • Capacity for Wireless Device:160pcsStandard pack components 1 main panel, 1 wireless PIR detector, 1 wireless door sensor, 1 siren, 2 ...