Product Description Material: ABS acrylic lens Size: 193*90*26mm color: White Product magnification: 5x (large lens) 11x (small lens) Lens diameter: 75mm (large lens) 19mm (small lens) Power supply model: three AAA batteries (not included) external USB power supply unit (included) light source eight LED lights Quantity: 1 pcs Package content: 1 pcs * magnifying glass 1. Handheld or Desktop Magnifying Glass - These magnifying glasses can be used in two ways. Stretch the holder and place it on the desk as a desktop magnifier then fold the holder up to use it as a handheld magnifier too. 2. Good quality glasses lens - the lens of the magnifier is reinforced and has a hardness of up to 5H which increases the wear resistance. Provides a clearer picture magnification. Also included is a lens tissue that you can use to wipe the lens for a more professional distortion-free lens. 3. Bright 8 LED light - 8 powerful energy-efficient LED lights are built into this magnifying glass which emit a bright light and enable you to work in the dark. There are 2 types of brightness. Adjusting the power switch can adjust the light intensity improve work efficiency effectively protect eyesight and prevent visual fatigue. 4. Dual Circle Design - The magnifying glass can be powered by a USB cable (included) or 3 AAA batteries (The batteries are not included) you can choose one of the options to power the magnifying glass (Suggestion: desktop magnifier with USB cable handheld magnifier with batteries