Specification:1.LoupesMagnification: 3.5XWorking distance: 420mmDepth of field: 80mmField of View: 60mmWeight: 52gFrames: Ni-alloy or Titanium2.LED lampPortable LED headlightHigh intensity>1500030000LuxContinuous run-time:>5 hourThe power of the LED bulb:1 WThe lifetime of the bulb:10000 hourAll loupes are optionalVery small volume and weightBattery pack weight:100gCharge voltage:AC110V/240V/50-60HzUsing the rechargeable lithium battery, light weight, longevity and the more comfortable carry,it is suitable for all kinds of surgical operationFeatures1.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 Headband2.LED lampPortable LED headlightHigh intensity>1500030000LuxContinuous run-time:>5 hourThe power of the LED bulb:1 WThe lifetime of the bulb:10000 hourAll loupes are optionalVery small volume and weightBattery pack weight:100gCharge voltage:AC110V/240V/50-60HzUsing the rechargeable lithium battery, light weight, longevity and the more comfortable carry,it is suitable for all kinds of surgical operationPacking List:1.Main glass: 1 each3.Handy Protective Carry Case: 1 each4.Inclusive cleaning cloth: 1 each5.Screwdriver: 1 each6.Flexible Headband: 1 each7.Adjust Tool: 1 each8. LED head light: 1 each9. Adaptor: 1 each10. Battery: 1 each11. Black case: 1 each