Oral curing light $ 20.66 Functions and features: Bright ABS spraying shell; 5W high power LED; High pass transparent glass fiber (with 12mm light guide rod); Selection of three working modes; Super battery capacity: lithium ion battery 3.7V, 2200ma / h; Optical power: more than 1600MW / C m2; Super long standby time: more than 90 days 5W high power LED lamp, high transmittance glass fiber Strong light, gradually bright, flashing three working mode selection Adjust the working time manually, there is a prompt tone 5 seconds apart. After power off, you can still remember the adjusted working time and working mode It has the function of preventing short circuit. If the key is placed carelessly, the system will shut down automatically Automatic standby, automatic shutdown Super capacity lithium battery, can stand by for a long time Suitable for a variety of brands of resin.