Features:
1, supports read SD cards, USB playback MP3 features (many businesses do not have USB function)
2, full-function wireless remote control
3, ultra-sensitive vibration alarm capability, with voice alarm sounds
4,play off memory function, power on play the previous song/radio
5, the working voltage: DC12-15 v ( Please don't mistakenly pick higher than the voltage of 15V, burning not saved)

6, high power amplifier: 10W*2 (many businesses do is low power, small volume, poor sound quality, this baby, power King, turn half the volume cover other manufacturer's maximum volume, so sound awesome and immense)

Note:

Accessories: host 1 waterproof 3-inch high power speaker + 1 a + to + alarm Horn color cartridge instructions 1 + 1 connector + remote control + fixing bracket metal plates and screws Pack

Horn with red. Black. Blue points.