features:
1.big power LED.
2.high articulation optical fiber.
3.working modes:strong,gradually strong,flashing.
4.Can choose working time,and has countdown function.
5.low battery alert
6.electric energy alarm
7.bulky battery.
8.solidification time and depth.

Technical parameters:
1.capability of battrey:2200MA/H3.7V.
2.working voltage:AC100-240V50-60HZ.
3.wavelebmgth:450-480nm
4.light power:more than 1000mw/cm2
5.solidification time and depth:10s/3mm

guarantee:
1.Mainframe,LED Light:2 years.
2.Power Cord,Transformer:i year.
3.Battery:3 months