Features:Simply operateClear display, simple function including ramp mode, ease of use10 sec. fast cureUse high power 5W LED, it can cure the composites over 3mm in 10 sec.Never Shutdown within continuous useBuilt-in smart heat-management system, don’t worry over heat within continuous useCombo of cordless & cord typesWhen the power of battery is exhausted, plug-in the power supply and use it immediately