This item is a professional and digital microscope, which is made of ABS material, and durable. It can be used for jewelry inspection, printing inspection. Easy to operate and use, it's suitable for circuit testing, teaching assistance, etc., it will be your helpful tool. Features - Color: Black, white, silver. - Material: ABS. - Size: 16.00X12.00X3.50cm/6.29X4.72X1.38in. - Power supply mode: 18650 battery or DC5V port charging. - Operating current: 330mA. - Power consumption: 1.65W. - Magnification: 500/1000x. - Range of Focus: 10-40mm. - It can stand stably and firmly, which is not easy to fall and break, allowing you to use it trustingly. - material and fine craftsmanship, durable and sturdy for a long time. - A great teaching tool for school and teachers, letting students have a effect. - Suitable for industrial inspection, electronic accessories inspection, textile inspection, jewelry inspection, printing inspection, etc. - Open the micro world, cultivate children's interest, exploring your kids' potential. Package list: 1 x Microscope 1 x Baseboard 1 x Adjustable bracket 1 x Extension bracket 1 x USB cable 1 x CD 1 x User manual (English)