Light : Red/Purple/Blue Screen : 5 Inch Touch Screen Key : Clear Time *High efficiency wall conjoined sliding structural design, adjust angle freely and convenient to use. Teeth bleaching lamp Products feautres: Model: MD-885 *Nice new design; *With 5 inch touch screen. * Three LED light sources: Blue, Red, Blue&purple&Red, Blue & Purple. * Three choices of illumination: 1.100% full power output 2.75% power output 3.50% power output *Can be time, and clear the time by the key back of the machine. *Three-stage power output selection, users can select a different power according to the patient's condition. *The user can select needed time according to desired treatment, time adjustment range from1 to 30 minutes. Teeth whitening system product sepcitifcations: Light source: 4~5 W blue LEDs & 2~3W red LEDs, 1W Purple LEDs. Output Spectrum: 430nm~490nm (Blue) & 620~640nm (RED) & 380nm~410nm (purple) Voltage: AC 100~240 V 50~60 Hz 1.2A * High tech LED module with 5 pcs high power 5 Watt Blue LEDs, 2 pcs high power 3 watt red LEDs and 8 pcs 1 watt purple LEDs We have 2 colors for customer choice: Pink and Blue. ( If the customer need other color, we could make for them, MOQ is 500pcs). High efficiency wall conjoined sliding structural design, adjust angle freely and convenient to use. *A multi-functional high-sensitivity 5-inch touch electronic display, easy operation.