The 8X watch magnifier glasses with 15X extended lens has a magnification of 23. With adjustable LED light, you can wear the glasses for a more meticulous work such mechanical processing, jewelry appraisal, timepiece repair and micro carving.Features:Both sides of magnifying glasses are attached with one 8X lens, and 15X extended lens can be installed to realize a magnification of 23 times.LED light is adjustable in brightness(Bright / Soft) and angle to meet different light conditions.Adjustable eyeglasses legs, nose pad and lens cone for a comfortable and tight wearing.Magnifier glasses can rotate 180 degrees upwards when you use single eye for observing.Widely used in mechanical processing, electronic repair, jewelry appraisal, timepiece repair and micro carving.Specifications:Item Type:Magnifier GlassesMagnifier Color: BlackMaterial: Resin Lens & ABSMagnification: Main Lens: 8XExtended Lens: 15XLED Light: Bright / Soft(adjustable)Battery: 6 * LR1130 Button Battery(include)Cone Diameter: 2.7cm / 1.0inExtended Lens Diameter: 2.2cm / 0.8inGlasses Size: 15.5 * 18cm / 6.1 * 7.0inPackage Size: 16 * 7 * 5cm / 6.2 * 2.7 * 1.9inMagnifier Weight: Approx. 71g / 2.5ozPackage Weight: 98g / 3.4ozNote:1. This size information is just for reference only, please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks.2. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Package List:1 * Magnifier Glasses2 * 15X Lens6 * Button Batteries