The headband magnifier is made of high quality material which is safe odorless nontoxic environmental and durable. Comes with 4 pairs of different magnifying lens which has great magnification power with extra sharpness and clarity allowing you to get an extremely close view of even the tiniest details. Bright LED lights are powered by 3 LR1130 button batteries (included) which can last for long hours and ensure perfect illumination in any condition even in a dim or dark place. Features Item Type: Headband Magnifier Material: Plastic Metal Acrylic Optical Lenses LED Light Power: 6 * LR1130 Button Batteries (Included) Lens Magnification: 10X 15X 20X 25X Color: As Pictures Show Size: Approx. 210 * 140 * 60mm / 8.3 * 5.5 * 2.4inch Package Weight: Approx. 158g Function: Helping Watch Repairing Jewelries Eyelash Extension Stamps and Coins Appraisal etc. Package Included 1 x Headband Magnifier 1 x Headband 4 x Pairs of Magnifying Lenses