16 powerful LED tubes emit a high intensive cold blue light with an output at 6000MW/CM2 2Use together with teeth whitening kit accelerant 3Special design, innocuous silicone muzzle, make sure no intersectional infection 4Adjustable working time from 1-20 minutes allow you to choose the time according to your actual need 5It is a safe and reliable way of whitening teeth, no obvious dentine structure change, gradual teeth whitening process Description: Cold light teeth whitening system using the wavelength of 400 ~ 500 nm blue (the temperature change is not obvious, therefore is called cold light) catalyzes the peroxide whitening agent that applied the teeth surface concentration of 20% ~ 38%, by hydrogen peroxide oxidation reduction to produce free radicals, change of the pigment carbon ring structure, make the color change and teeth white. Features: This device is based on the condition of strong blue LED light and whitening kit accelerant, through the oxidation reduction of hydrogen peroxide produces free radicals, changes the carbon ring structure of pigments, and whitens the teeth.6 powerful LED tubes emit a high intensive cold blue light with an output at 6000MW/CM2.Special design, innocuous silicone muzzle, make sure no intersectional infection.Adjustable working time from 1-20 minutes allow you to choose the time according to your actual need.Time display screen shows the whitening time clearing to both dentist and patient.Flexible neck tube to suit different angle operation.Equiped with low noise fan provides best heat diffusion effect.Use together with teeth whitening kit accelerant.It is a safe and reliableway of whitening teeth, no obvious dentine structure change, gradual teeth whitening process.Specifications: Material: Plastic Input Power: 100-240v, 50/60HzOutput Power:15V DC, 2A Power: 300W Light resource: 6 pcs high power LED Wave length:430nm-490nm(main lamp) ; 395nm ~ 415nm(auxiliary lamp) Light Strength: 2 intensities maximum>6000 mw/cm2 Light Size: 18 * 74mm2 Adjustable timer: 1-20MIN Coupling: Polyester Monowave Working Mode: Time Output Continuous Working Optional Plugs: EU Plug, US Plug Machine Size(Neck Tube Excluded): approx. 18 * 11cm / 7.1 * 4.3inch Neck Tube Length(Extended): approx. 79cm / 31inch Package Weight: approx. 1950g Item Type: Teeth Whitening Light Function: Teeth Whitening Scope of applications: 1.Exogenous pigmentation (tobacco, coffee, cola, etc.) 2.Endogenous pigmentation (mild tetracycline teeth, etc.) 3.Spain - fluorine 4.Congenital uneven color. 5.Apply to the black and yellow change of tooth surface caused by unknown inducement. Package Included: 1 * Main unit 1 * Adaptor 2 * Protective silicone 1 * English Manual Note: 1.Dentist and patient should wear goggle during operation of the device. 2.Always keep treatment room ventilated during operation. 3. Please note that the new type and old type of this product will be sentrandomlyand make sure you will not mind before ordering.