Features of Helio Lighting anywhere Make light anywhere in oral cavity. Mirror shape is most familiar and easy to use for any kinds of dental practices. Sterilization Cold & hot sterilization is available. Easy to change Mirror The mirror interchangeable easily with the magnetic inside of device. Cordless Without wire makes its convenient up. Practical design The device can be used like dental mirror. The device is designed possible to keep sterilized condition for surgical operation. run Big capacity battery Useable the battery more than 2 hours after full charge. E Smart system There is no switch.Turn on with grip it, and turn off with put it. To change intensity, shake the device vertically. To save battery, the device turn off automatically when don?t use it.