* Digital Display panel gives more control and adjustment over the whitening application. * Three choices of light source (Blue, Blue & Red, Red) * Four Power outputs and adjustable setting time for different preference . * Time adjust buttons from 5 to 30 minutes . * Five modes of flux illumination, 100% , 80%, 60% ,40% . * Touch button and display of the head . * 4 Blue, 2 Red LEDs, giving your teeth whitening more care and better result. Light Source: Blue light: 4-5W Red light: 2-3W Output wavelength: Blue light: 430nm-490nm Red Light: 620nm-640nm Voltage: AC100-240V / 50-60Hz 1.2A