... voltage:12VDC 2Ax3CH 6A MAX Signal channels: 3CH Dimmer method :PWM 3CH power supply amplifier (built-in power supply) ... :1. Adopt switch power supply and LED power amplifier integrated technology for Stable function and great simplified installation ... decoration:hotels, shopping malls, squares, restaurants, bars, houses.3,Outdoor decoration: advertising boards, parks, bridges, roads and overpasses, ...