AS 100W Federal Siren Kit AS7100D-SPK0021 3-Piece Pack 20 Tones 12V with Siren Box Speaker Wireless Remote Microphone Fit for Different Vehicles One Pack includes: 1 Siren Box AS7100+1 Octangular Speaker SPK002+1 Remote WRC-D (All as the main picture shown) +Wiring Accessories+Users Guide It's a compact 100 watt police siren bundle with more than 20 tones. It is equiped with PA system and can run two-channel 12V Led lights with easy light control on the remote. The backlight designed wireless remote control distance is above 10 meters. It's suitable for police, fire, ambulance, traffic, engineer, volunteer, and private vehicle to use as a PA system or audio warning device.