Dental Binocular Loupes 3.5X-420 Magnifier +LED Head Light Lamp UK Specification: 1.Loupes - Head Strap - Adjustment Tool - Setting Target - Flip Grip - Ultra Light Weight (75.0 grams) - One Step Pupillary Adjustment - Convenient 420mm Working Distance - Adjustable Angular Viewing - Large Depth of Field - Easy Convergence Settings - Safety Soft Touch Frame - Flip-up Design - Large Field of View - Stylish Designs - Multi-Person Use - Handy Protective Carry Case - Inclusive cleaning cloth - Screwdriver - Flexible Headband 2.LED lamp Portable LED headlight High intensity>15000—30000Lux Continuous run-time:2 Hours The power of the LED bulb:1 W The lifetime of the bulb:10000 hour All loupes are optional Very small volume and weight Battery pack weight:100g Cha.