Description USING The rechargeable lithium battery, longevity of service and the more comfortable lightweight headlights, it is suitable for all kinds of surgical operation. Technical Specification Items No: KD-205AY-1 Light Source: 5 w LED-high efficiency energy (pure white) Light Highest Illumination intensity: >25000 LUX Continually Operating Time: > 5 hours Illumination Spot Size: can be adjustable (ex: for 10mm to 110mm for 420MM working distance) Illumination angle : can be adjustable . The lifetime of bulb: 50,000hours Color temperature: 5000K Charge Voltage: AC900V/240V 50-60HZ The weight of headlamp: 470g packing material: stronger paper box this style (KD-205AY-1) is LED headlight with headband. The light spots size is adjustable, Brightness is adjustable and light angle is adjustable (up and down) KD-205AY-1 is edge-to-edge clarity, pure white beam to aid in dental color matching techniques, and hands-free operation, let you focus on your procedures, and allows you to go from patient to patient, without being tied down. Special designing of dissipating heat can guarantee the light more stable and long lifetime. Standard packing Include: headband LED light, battery rechargeable AC adapter