Note: Not include battery in the remote controlbecause the policy of customs!! The battery typeyou should use is 12V23A Features: *7 Tones Wireless Electronic Siren *7 Tones: Button A: 4 Tones, press to change tone Button B: Tone 5 Button C: Tone 6 Button D: Tone 7 *Wireless Remote Control: Comes with wireless a 4 button remote control to control the horn from inside or outside of your vehicle *Power siren with 12V DC or car battery *Easy to use: connect the horn and the 12V DC battery or switch with 2 wires *Remote control is powered by button battery *Universal application: fits for non-professional trucks and boats Specifications: *Voltage: 12V DC *Peak Output Power: 80W *Sound level:130dB *Current:3A *Color: Black (As Pictures Show) *Remote Control Battery: Not include *Weight: 530g (Approx.) Package Contents: 1*Wireless Electronic Siren 1*Remote Control Note:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.