MAESTRO is a family of led strip controllers. MAESTRO 3 is a 3 channel controller with 20 preset keys & RF communication with the remote control. The remote control operates with high precision. Maximum distance 20m in open spaces. Is used it to control RGB LED strips by adjusting its brightness and color. The maximum load is 6A, 72W on 12V & 144W on 24V. Operating with batteries (are not including).