Qooltek 30x 60x Jewelry Magnifier Loupe with LED Light for Gems Jewelry Rocks Stamps Coins Watches Hobbies Small size and lightweight,easy to carry and you can use it anywhere. Bright LED light illumination, you can see objects clearly in dark or insufficient light conditions with this dual LED light source. Dual lens design, primary lens: 30x22mm, supplementary lens: 60x12mm.You can choose different lens freely. LED power supply by 3 X LR1130(Batteries are include),with battery cover key,you can easy to replace battery. This magnifier is great for rock collectors, coin collectors, jewelers, hobbyists, and also makes a great gift for the kids to explore the fabulous tiny world.