Ledex WL-090+ Led Curing Light & Plaque / Caries Detector. 7 powerful extensive modes. Broadband LEDs. 3 sec. Fast cure. Plaque Inspect & Caries Inspect - use FIND optical filter to detect dental plaque and caries. Never Shutdown after continuous use. Built-in radiometer. Cartridge battery. Includes: 3.7V 2,500mAh Li-ion battery, Charging base with USB adapter, 8mm fiberoptic light guide, 5mm fiberoptic light guide, orange safety shield, 2 anti-glare tip shields, 10 curing light barrier sheaths.