... , German, Russian, Danish, French, Japanese…3.30 wireless zones, can work with up to 120 wireless sensors4. Available to save 6 ... .3. Service life: ≤2 yearsWireless Siren1. Function Features:1.1 Work with alarm host, wireless receiving alarm signals, spot alarming with ... —240VAC 2.2 Receiving Distance:≥100 M(In open area) top quality! wireless alarm panel