The membrane of the press key is seamless design so that it can  prevent the bacterium from multipling. 

Function: 

1. Big power LED

2. High articulation optical fiber

3. Working modes: strong, gradually strong, flashing

4. Can choose work time, and has countdown function

5. Low battery alert

6. Electric energy alarm

7. Bulky battery

8. Solidification time and depth

Technical Parameter: 

1. Capability of battery: 220MA/ H3. 7V

2. Working voltage: AC100-240V; 50-60Hz

3. Wavelength: 450-480nm

4. Light power: more than 1000mw/cm2

5. Solidification time and depth: 10s/3mm

Guarantee: 

1. Mainframe, LED Light: 2years

2. Power Cord, Transformer: 1year

Battery: 3months