Denshine Dentist Dental Surgical Medical Binocular Loupes 3.5X 420mm (Yellow) + LED Head Light Lamp (Yellow) + Handy Protective Carry Case (Silver) Loupe: Adjustable Angular Viewing Large Depth of Field. Large Field of View Stylish Designs Multi-Person Use. Head Strap Adjustment Tool Protective Caps Setting Target Flip Grip Ultra Light Weight (75.0 grams). Easy Convergence Settings Safety Soft Touch Frame Flip-up Design. Inclusive cleaning cloth Screwdriver Flexible Headband. Headlight: Portable headlight. High intensity&gt;1500030000Lux. Continuous run-time:&gt;5 hour. The power of the bulb:1 W. The lifetime of the bulb:10000 hour. Very small volume and weight. Charge voltage:AC110V/240V/50-60Hz. Using the rechargeable lithium battery, light weight, longevity and the more comfortable carry, it is suitable for all kinds of surgical operation.