LED teeth whitening light( MD-668)

Features:
Three LED light sources: Blue, Blue&Red, Red.
Four choices of illumination:
1. 100% full power output            2. 80% power output
3. 60% power output                   4. 40% power output
High tech LED module with 5 high power 3 Watt LEDs (4 blue & 2 red)
User-friendly long stretched arm designed for free movement in every angle.
Built-in magnetic fan designed for high efficient & tranguile working environment as well as to prevent over heating to prolong LED with its emitling time