... Description wireless horn siren, spot alarm system, home burglar alarm, wireless security alarm, home security alarm, wireless home alarm, wireless spot alarmFEATURES ... away the intruders when transmitter is triggered. APPLICATIONSIntegrated with outdoor field, home, farm, business store, public plaza ... 240VAC , Output :9~12VDC.Power: 10 W.2. Siren index: 110~120 dB (Test distance: 300mm, Surrounding ...