5W Good Light Spot Converging Binocular Magnifiers Surgical Headlight

5W ENT Surgical Dental Headlight with LoupeMagnification3.5x 420mmWorking Distance320-420mmDepth of view100mmField of view60mmLED5WLight Intensity65000luxColor Tempreture6500-7000kLifetime of LED100000HSpot size1-9cm(at 420mm of distance)LED: 5WLight intensity: 65000 luxColor Tempreture:6500-7000kLifetime of led: 100,000 hSpot size:ø1-9cm(at 420mm of distance)Continus run-time:>=6h Charge time:4 hWarranty: 1 year