... zone 2) Landline wireless alarm system 3)CE pass Safety and Protection Products Alarm System(LS-804) Wireless Alarm system Features: 1 ... , two flat pins, three pins customized 3. Wireless receiving distance in open place: >250m, indoor: 30~50m, (depend on the surrounding ... wireless infrared detector, 1 wireless door magnetic detector, 1 Built-in siren, 2 remote controllers, 1 power supply,1 user manual ...