Exquisite and table lamp design A slender, curved swan neck is flexible to any position Unique semi-circular head design, both arches whitened at the same time 3 pcs high power LED, fan-cooled Due to the two different LEDs that are used, the wide emission spectrum is suitable for more brands tooth whitening 5-30 minutes adjustable timer, digital indicator with audio feedback High sensitive infrared remote control setting function LED screen shows all the information, the operation is so easy Integrated type is available Input voltage: AC100-240V Power: 40W Wavelength: 460-490nm Illumination Density: 200-300mW/cm2 Amount of LED tube: 8pcs Dimension of appearance (L*W*H): 150*60*123cm G.W: 23.5kg Size: 66*67*28cm 1．External color of the pigment Nien teeth (smoke spot，coffee spot, tea spot and so on). 2．Internal pigment teeth，Tetracycline pigmentation teeth, dental fluorosis. 2．Hereditary xanthodont. 3．Dark and yellow teeth caused by unknown reasons. 4．Total 8 blue LED lights, supplying plenitudinous cold light luminescence. 5．Advanced operation interface, with great convenience and facility. 6．Multi-Security design, guarantee the safety of patients and doctors.