Features: 3 Different magnification: 3 led loupes are included, 30X, 60X and 90X, the corresponding lens diameter is 25 mm, 12 mm and 8 mm, jewellers loupe for jewelry, diamonds, gems, coins, stamps, rocks Warm notice: magnifier dimension is 8.1 x 4.6 x 1.8 cm, make sure size before buyingLED and UV Light: see objects clearly in dark or low-light condition with dual LED lights UV light work for detecting paper currency, passports, credit card and travelers checks, etc.Durable and portable: magnifying glass 30x is made of scratch resistant acrylic lens and ABS, lightweight, portable, convenient to carryMultifunctional magnifying glass: eye magnifier can be applied for detecting map, jewelry, diamonds, gems, coins, stamps, rocks, crafts and more, suitable for hobbyists, collectors and kidsQuantity: 1 piece of portable magnifying glass with led Slide out to use and put it back when not in use Requires 3 pieces LR44 batteries as power source (batteries are included) Warm notice: the image that the lens 8 mm (90X) reflect is inverted