6 tone car alarm siren
Easy to mount with screws
Compatible with most of car alarms
Diameter: about 10cm Height: about 10cm
Working voltage: DC 6V~12V
Sound level: 110dB
Material: ABS plastic 3-hole mounting base
Connect the red wire to the postive pole and the black wire to the negative pole
Wire length: with 2m cable cigarette power plug, and cab be used as a switch to open and close the horn.