Nominal voltage: 12V; Amperage: 300mA; Siren Sound: 110 (3) dB. It can be armed\/disarmed by panel remote control. Easy to install, Connect the red wire to the postive pole and the black wire to the negative pole. New visual alarms audible, used at home, public place or any other places for security system. It can used with infrared wired alarm, telephone dial alarm, burglar alarm automotive and other supporting applications. Operating Voltage Range (VDC): 6-15 Gross weight (kg): 14.5 Wired sound and light alarm: When the alarm system is activated, there will be a sound and light siren, and the siren will beep at 110 decibels. Technical parameter: Food: 9~12 VDC Alarm volumeand gt; 110DB Alarm mode: sound and flash alarm Application: alarm host accessories, can be used for various on-site alarms (can be used with building intercoms and wired alarm host products). Quantity delivered: 1 piece