Feature: 
High power LED, professional dental spectrum 
Curvy beauty, LCD display 
Dual function: Curing light, tooth whitening accelerator 
Optional light intensity: Strong, medium, low 
Optional working mode: Fixed, gradually strong, flashing 
Timer: 5 seconds to 40 seconds 
Battery power detector, low power warning 
High capacity Li-on battery and exchangeable 

Technical: 
Input power: 5W 
Adaptor voltage: AC 100-240V, 50/60Hz 
Charge time: 5-6 hours 
Battery: 3.7V 2200mAh 
Wavelength: 420-490nm 
Light intensity: 800-1600mw/cm²