Features:
1) Three working modes: Low,Soft,High
2) Time setting : 

• High:1S,2S,3S 
• Soft:5S,10S,15S,20S 
• Check:30S,60S

3) Constant light intensity. The solidification effect is not affected by the
consumption of remaining power.
4) Large capacity battery. A full charge can be used for more than 400
times continuously under 10s working time mode.
5) The check mode is used to detect dental calculus,dental caries and
cracked tooth

Technical properties:

•  Rechargeable Lithium battery: 
• Battery model: ICR18490,Battery capacity: 1400mAh
• *Battery has over-voltage, over current and short circuit protection*
• Adapter input: AC100~240V 50Hz/60Hz 0.8AMax      Output: DC15V 1.6A 
•  10W high power blue light LED
• Wave length: 385nm~515nm