How is This Magnifying Glass? Perfect for the Elderly, Young and Amblyopic Great Magnifier for Seniors, Children and Those Who Have Low or Impaired Vision of Most Types. It's Excellent for Reading Books, Newspapers, Magazines, Maps, User Instructions, Etc and Other Close Works, Such As , Watchmaking, Handcraft and Exploring. Note: Closest Focusing Distance: Only 0.5-5 cm This is Not a Stereo Vision, It is a Useful Onehes and Portable Observation Tool. However, If You Want to Observe Some Objects, You Cannot Observe with Your Right and Left Eye at the Same Time, But Only with One Eye. You Should Also Take Turns to See and Be Close to the Things You Want to See. Characteristics: Easy to Replace Batteries. Super Lightweight. Ideal for Collections, Tours, and Watch Inspections, Etc. Left Right Double Eye Patch Magnifier with Led 4 Different Magnifications Can Be Changed Quickly. Equipped with Silica Gel Headband Install Two Left Right Led Eye Patches on the Lens Holder. Each Eye Patch is Equipped with 4 Lens Tubes of Different Magnification. It is Advisable to Choose Lens Tube with Suitable Magnification According to the Size of the Object to Be Observed. If This Magnifier is Used for a Long Time, You Can Use Two Lens Tubes Alternately to Reduce Visual Fatigue and in Remove8 Pairs of Interchangeable Lenses with Different Magnifications (2.5, 4, 6, 8, 10, 15, 20, 25 Times) Can Be Quickly Exchanged. If This Magnifying Glass is Used for a Long Time, You Can Use Two Lens Barrels Alternately to Reduce Fatigue Avoid and Improve Work Efficiency. 2Led Lights Three-Piece Lr1130 Battery (Included), Removable Bracket and Headband Are Interchangeable. Ideal for Mechanical Processing, Evaluation, Watch Repair and Miniature Engraving Etc. Satisfaction Goal: Our Goal is to Provide Creative, Innovative Products So That Everyone Can Have Quality, High-End Enjoyment. We Are Committed to Making Sure You Love Your Purchase, So If for Any Reason You Are Not Satisfied, Please Contact Us and We Will Make Things Right. Note It is a Useful and Portable Observation Tool. However, If You Want to Observe Some Objects, You Cannot Observe with the Right and Left Eye at the Same Time, But Only with One Eye. It's Also Better to Take Turns to See and Be Close to the Things You Want to Look For.