Loud 12V 50W 7 Sounds Tone Horn Siren Speaker Alarm for Car Van Truck Boat 110dB Loudness factor: 110dB Number of different noises: 7 Power: 50W Powered by: Vehicles' electricity - 12V Color: blackFeatures: For use with ANY 12V vehicle Compatible with most of car alarms 7 sounds car alarm siren [including animal noises]Package include:1 x Security Alarm1 x Sound selector#policesirensound #Motorcycle #truck airhorn #horn #Cars #Speakers #Truck #Boat #carsiren #loudhorn #hornsound