Wireless usb dental composit curing light with Double function

Wireless usb dental composit curing light with Double function Features&Advantages: * Double function : the blue light for curing and the white light for examination. * 4 working model : Strong light, Gradually light, Pulse ,and Pre-heating .(The first 10s is with 50% power light, the rest time is full power light) * Different time for choice :5s.10s.15s,20s,25s,30s,35s,40s. * Three adjustable light intensity :800,1000,1200mW/cm2 * High articulation fiber optic light guide