car alarm Siren, alarm siren Specification: MODEL:CJB-100Voltage:12VPower :100-200WImpedance:4Ω,6Ω,8ΩInput Current: 30 A&13.6 VDCStand by Current : Less than 150 mAOperating Temperature : - 40 +55Humidity : Less than 95%.Siren Frequency : 420Hz 1770 Hz.Light line Current : 15AFuses : 15AFeatures: 1.the output a total of 12 kinds of alarm sounds. 2.with dual-lampp control functions . 3.there is an external radio public address amplification. 4.propaganda,and police are free to adjust audio volume level. 5.shut down memory function (in the case of UPS). 6.the button backlight display.