Lamp Power: 10W Led High Brightness: 110000Lux, Adjustable Lifetime Of Led Bulb: 20000 Hours Our Led Lamp Installs Around Lens, Provide Equal Stable Brightness, White Bright Light The Light Facular Size Fix Rechargeable Lithium Battery, Stronger Capacity: 5200Mah The Continuous Working Time Is 4 Hours After Full Charged The Light Intensity Is Adjustable It Is Comfortable For Wearing, More Dapper, And The Headband Size Is Adjustable It Is Widely Used For Microsurgery, Dental, Ent, Orthopedic And Other Surgical Examination And Operations. And It Can Also Use In Small Would Operations In Small Parts Note :1- CARRYING BAG NOT INCLUDING. In A Close Vision, It Is A Valuable Tool For Doctors Who Work With Binocular Magnifier Like Dentists, Lab-Technicians, Hair Transplant Surgeons, Jewelers, Electronics Assemblers, Photographers, Quality Controllers, Hobbyists, Etc. Because It Helps A Doctor To Work Effectively. Our Product Range Also Comprises Of Surgical Micromotor And Endoscopy Camer. It Uses High Quality Material So As To Achieve An Excellent Illumination Effect.