Creates a high Color Rendering Index (CRI) of up to 92, and matches the CIE Standard Illuminant D65, presenting the true color of an object.The 6,500K color temperature simulates standard daylight allowing for perfect shade matching.Cordless convenience offers complete portability.No more bulbs to replace with average LED life of 50,000 hours.High capacity lithium-ion battery provides stable and prolonged usage.Low battery warning beeper.Two lighting modes available for anterior and posterior color matching.Outside light interference is minimized with small focal distance.Built-in fan and low temperature feature reduce heat during operation to keep the color temperature stable.Dentists and laboratories can eliminate shade-matching errors with perfect color communication.