AS Wireless Police Siren Kit PA2000H-SPK0021 3-Piece Pack 100W with Siren Box Speaker Hand Remote and Can Play Custom-made MP3 Recordings One Pack includes: 1 Siren Box PA2000+1 Octangular Speaker SPK002+1 Remote WRC-H (All as the main picture showns) +Wiring Accessories+Users Guide It is a propagandistic vehicle siren bundle that can play your custom-made MP3 format recordings. It contains PA system and has more than 20 tones to fit for police, ambulance, fire,breacher,engineer and other special operation vehicles. It can run two-channel 12V Led lights and control the lights by the remote conveniently. The remote for this siren bundle is with a magnet holder, so you can suck the remote to any of the metal places and prevent the remote from lost.