Item Name: Tools Blue Light Curing Lamp Solidify LED Dental Curing Light Teeth Whitening. Description The high capacity lithium ion battery can last about 130-200 times after being fully charged (4-8 hours)The light-emitting diodes has long life, which can greatly reduce the costs of future maintenance of the machineLED light curing machine adopts the light-emitting diodes Blue-ray, it can cure the resin repair the teeth in the department of stomatologyThis can inhibit the excessive contraction of the resin surface, avoid cracks between cavities edge.Intelligent battery detection circuit function: when battery is low, it will alarm and the light will flashIts does not produce any heat when running, so no need to cool it with fanThere are three solidification working light modes: strong light mode, flashing light mode, gradual light modeSpecificationInput voltage:110v-240vlength:17cmBattery capacity:2200 mACuring time depth:5S/3mmBlue light wavelength:420-480nmBlue light intensity:1200-2000mw/cm2Operation1. You can set working modes and working time (5s-40s) on this machine .2. working time settingPress the"M" button for a while, when hear "di di" and light shine, press "P" button to choose the time, 5s- 40s is available. When you hear "di di" again and light stopping shinning, the time setting is done.3. Working mode settingPress button "M"to choose working modes, choose the mode you need.Package Included:1* Working Head1* Main Body1* Light Protector1* Charging Base1* Adapter1* User Manual