Product material: ABS, acrylic lens Lighting source: 8 white LED lights Product power supply: USB socket / use 3 AAA batteries (the product does not contain batteries) Input voltage: 110-240V Output Voltage: 5V Power: 0.4W Power Consumption: 0.6W Product Size: 190*90*26mm Handheld or Desktop Magnifier: This magnifier can be used in two ways. Just stretch its stand and place it on the desktop as a table magnifier.Close its stands to also serve as a handheld magnifier, which expands the scope of application. High Quality Lens: The magnifier lens is reinforced and has a hardness of up to 5 hours, which is more wear-resistant. Provides clearer imaging magnification. 8 LED Bright Light: This magnifier has 8 powerful, energy-efficient LED lights that provide bright light and allow you to work in the dark. Make your working environment more comfortable, improve your efficiency, effectively protect your eyesight and prevent eyestrain. Double Circuit Design - The magnifier can be powered by USB cable (included) or 3 AAA batteries (the batteries are not included).You can choose one of them according to your needs to power the magnifier. (Suggest: use USB cable with desktop magnifier, use batteries with handheld magnifier) Shipping Quantity: One piece