Profile: Rolence Enterprise Inc. manufactures dental equipments. Our product ultra-lite 1800E has a fashioned & elegant LCD control panel. Four modes can be selected. There are two rechargeable batteries. There is a special cartridge battery for easy detachment. The rotatable light tip allows treatment to be performed in any part of the mouth. It has a built-in light checker.Our crystal 1600 bleaching device is portable & flexible which allows moving the light anywhere. It has a LCD control panel with locking casters & a disposable mouth piece.