Features: - Adjustable brightness helps surgery more clearly and precisely. - Put the water inlet on the bottom. - Useful: avoid scratches when disassembling. - Comfortable: there is no water pipe at the front of the contra angle, which takes up less space in the mouth and makes the patient more comfortable. - Ergonomically designed and well-balanced. - Comfortable to hold without fatigue. - Detachable. - Durable.