Key Features: - Adjustable and flexible goose neck for access of different angle positioning. - Consists of high-performance blue LEDs, high light-energy output at about 2000mW/cm². - Wavelength range: 420–490nm. - With infrared remote control. - Ergonomic full arc head with timer display, patient can simply know how much whitening time remains. Specifications: - Blue light wavelength 420-490nm. - High light-energy output over 2000mW/cm². - Time set 1–30 minutes. - Working voltage DC 12V.