1WITH LED LIGHTS: Watch repair magnifier is lightweight and portable, equipped with LED lights for both day and night use. Eye cups can be rotated up and down 180 degrees. 2HIGH DEFINITION: 20X magnifying eye glasses have high clarity. The short focal length from the lens to the product is only 0.55cm / 0.22in. 3SAFE MATERIAL: Single eye 20X magnifying glasses are made of ABS and alloy materials, safe, odorless, non toxic, environmentally friendly, and durable. 4SCOPE OF APPLICATION: Watch repair single lens eye glasses are perfect for watch repair, jewelry, stamp and coin identification, collections, circuits, jewelers and more. 5WATCH REPAIR ACCESSORY: Watch repair magnifier is suitable for tiny parts on watches or other items. A must have tool for watchmakers and watch repairers to better protect your jewelry.