Siren 1.Model number:CJB103 2.Voltage: DC12V or DC24V 3.Power : 100W Siren (amplifier,PA system)Model number:CJB103Voltage: DC12V or DC24VPower : 100WImpedance :8 OHMTone: Wail, Yelp, Hi-Lo,Air HornTest request: -400C~+550C temperature ,anti-virbration ,prevent-water. Siren CJB103