1, Model: LW550 Built-in Model Curing Light 2, Size: 23*2060mm 3, Voltage: 100-240V AC Output Voltage: 5V 4, Battery: Lithium-ion 5, Wave Length: 400-490nm Light Intensity: 1000mw/cm2 6, Working Mode: a, Pulse Curing Light b, Fast Curing Light c, Ramping Curing Light 7, LCD Screen: Displays the current working mode and status.