ETOPSTECH Jewelry Loupe - LED Illuminated, 30x, 21mm - MG21007(Silver) This 30X Illuminated Jeweler Loupe magnification is built from durable metal, optical glass with 21mm in length and dual bright LED light. This eye loupe is great for rock collectors, coin collectors, jewelers, hobbyists, and also makes a great gift for the kids to explore the fabulous tiny world. Bright LED: You can see objects clearly in dark or insufficient light conditions with this dual LED light source. Pocket size: it is very convenient to carry and you can use it anywhere. It requires 3 AG7(LR927) batteries (Batteries are Included). Only placing your order from ETOPSTECH Amazon store could get our perfect customer service and product quality warranty