Black-Ultralight-high-quality-25X-Binocular-Dental-Loupes-Surgical-Loupes--High-brightness-Headlight-TP-sport-

---This kind of product is widely used for many microsurgery,operations of dentistry,nerve and heart disease etc...and also the loupe is widely used for the eletronical industry,precise manufacture,textile facture and researcher or engineer who require the precise observation in Optical Magnification.--------------------------- -------------------------------------The pupillary distance can be adjusted by one center axis,it is very simple and convenient for user.------------- 4 kinds of working distance : S(280 - 380 mm), R(360 - 460 mm), L(440 - 540 mm), XL(500 - 600 mm). Please choose your working distance when you will purchase ours loupes.--------------------------------------------------------------------------How To Choose Your Loupes Determine your working distance, which will also automatically determine your field of view. While working on a friend or family member have someone measure the distance from your eyes to your patient's : this is you working distance. Choose the distance that is closest to the selection we offer.-----------------------------------Each Loupe Set is complete with headlamp clip, locking lanyard, microfiber lens cleaning cloth, screwdriver and padded case.----------------------------------------------------Portable LED headlight Specification: High intensity>15000-30000Lux, Continuous run-time:4 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, 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. SZ-1 Headlight Packing List: 1. LED head light: 1 each 2. Adaptor: 1 each 3. Battery: 1 each 4. Black case: 1 each