B07L6B88X6 Healthcaretuye Dental Chair Cold LED Light Lamp Tooth Teeth Whitening Light Lamp Machine Bleaching Accelerator

Wavelength: 430nm-490nm (main light) & 395nm ~ 415nm (auxiliary light) Light source: blue LED cold light source Input Power: 100-240V AC, 50 / 60Hz ,12V DC, 2.2A Adaptation: exogenous pigment sticky stains (smoked, coffee, coke, etc.)Endogenous pigmentation (mild tetracycline tooth, etc.) Adaptation: Fluorine Spain,Congenital uneven color,Applies to unknown triggers caused by black and yellow tooth flank change