The KaWe Combilight C10 otoscope head. Balanced design with metal handle and lightweight plastic head. Optimal standard illumination. 2.5V vacuum incandescent lamp. Illuminant lifespan: approx 15 hrs. Illumination intensity: up to 7000 Lux. Dimmable rheostat. Pivoting 3X lens magnification. Connection port for pneumatic test. Secure head-to-handle closure with screw. Dual mode battery handle. Requires two C batteries (not included).