Teeth whitening machines Features: - Adjustable and flexible goose neck for access of different angle-positioning. - Consist of 4 high-performance blue LED, high light-energy output at about 2000mW/cm2. - Wavelength range:420-490nm with infrared remote comtrol. - Ergonomic full arc head with timer display, patient can simply know how much whitening time remains. Technical Specifications: - Blue wavelength: 420-490nm. - High light-energy output: >200mW/cm2. - Time setting: 1-30minutes. - Working voltage: DC 12v. **For further product information, please contact Chat Support**