New 12V 7 Tone Sound Car Police Siren Horn Megaphone with Mic PA Speaker System Description: 12 Volt Powered. Works with ANY 12V Car, Van or Truck. 100W Speaker provides very loudly sound. 7 Siren Sounds Material:ABS Plastic Easy to Install with screws. 3-Hole Mounting Base Connect the red wire to the postive pole and the black wire to the negative pole. Brackets and Screws included Specification: Color: Black Alarm Size: Approx. 15x16x10cm/2.90x6.30x3.94 MIC Size: Approx. 9.5x6x5.5cm/3.74x2.63x1.16 Cable Length: Approx. 4m/157.48 Voltage: DC 12V The product can only be connected to 12V battery. If it is lower than 12V, it will not work. If it is higher than 12V, it will burn out the product. Output Power: 100W Sound Level: 115-130 (DB) With mounting bracket, the installation is simple. Five different kinds of siren sounds, with microphone. Can be mounted on any application that has a 12V power available. Microphone assembly for clear voice commands, the tones can be heard clearly. Package Includes: 1*Speaker 1*PA Mic 1*Pack of installation kit Packing list Package Includes: 1*Speaker 1*PA Mic 1*Pack of installation kit