... Certificated, LED span:10000hours, Brightness:10000mw/cm2. high quality products Teeth Whitening Dental EquipmentSpecification: 1.Power Supply: AC100-240V, 50-60Hz.2 ... :10000mw/cm2. Accommodate to pigment nien teeth, internal pigment teeth, tetracycline pigmentation teeth and dental fluorosis; Nicer whitening effect, 7-10 color ranks to ...