- Consisting of 3 different kinds of LEDs light source achieves broad band. - Wavelength output: - Blue light:430~490nm. - Red light:610~650nm. - Activate almost all whitening materials in the market. - High light-energy source: 25Watt,over 2327mW. - Adjustable light energy output for sensitive-teeth patients. - Different light source mode: blue light exposure only, or broad. - Wavelength light exposure. - Durable and elegant design: portable stand with metal positioning arm. - Ergonomic full arc head with timer display. - Patient can simply know how much whitening time remains.