1Pure blue LED with high power and high brightness, which can accelerate the reaction of photosensitive composite resin and whitening tooth materials. 2Can inhibit the rapid shrinkage of resin surface, and avoid cracks between the edge of tooth cavity. 3High-capacity lithium ion rechargeable battery, which can be used for 120-150 times in a single charge. The battery has a protective function, which will cut off the output when the battery voltage is too low and the external short circuit occurs. After full charge, the battery will automatically stop charging to prevent short circuit and explosion caused by overcharge. 4High brightness blue LED light can cure the photosensitive composite resin with a sensitive wavelength of 420-480nm for dental prosthesis. 5There are several different colors available, you can choose according to your needs. Condition: 100% Brand NewItem Type: Dental Curing Light Lamp MachineLight Source: Blue LightWavelength Length: 420-480nmPower of Light Source: 1800-2200mw/ cInput Voltage: AC110-220V, 50-60HZPower Supply: Rechargeable Lithium Battery 2000mABattery Standby Time: 120 Plug: EU Plug 110-220VOptional Color: Yellow, Pink, Black, Green, Red, Blue 1 x Curing Light1 x Rod1 x Sunshade1 x Charging Base1 x Power Adapter1 x Manual