... * With Light Control * With PA(Micraphone) * Measure 155 * 140* 39mm Mini electronic siren(car alarm)CJB-10002 is a newest type of ... siren which developed by usThe controller with background light,is easy ... : 100WResistance: 8 ΩTemperature:-40°C~55°CHumidity: ≤95%Tones:HORN,SIREN,WAIL,MANUAL,YELP,HI-LO,AWB,