AS PA2000E-SPK0021 3-Piece Pack 100W Police Siren with Speaker Remote Microphone Wiring Harness Auxiliary Light Terminals 20 Tones Fit for Police Firefighter Ambulance Traffic Engineer Vehilces 12V DC One Pack includes: 1 Siren Box PA2000+1 Octangular Speaker SPK002+1 Remote WRC-E (All as the main picture showns) +Wiring Accessories+Users Guide It is a fully matched 100W automotive siren Kit, all spare parts are compatible with each other, so that the siren can work in good condition. It contains microphone and has more than 20 tones to fit for police, ambulance, fire, breacher, engineer and some other special operation vehicles. It can run two-channel 12V Led lights and control the lights by the remote conveniently. The wireless remote control distance is up to 10 meters, it gets rid of the cable limitation and make it more flexible for siren operation.