Description: It has adjustable support clamp, you can adjust it what you want. With three different multiples of lenses, you can be replaced at will. The surface of the base is lined with steel sheet, which increases the weight of the base and strengthens the stability. It can apply to electronic welding, model making, biological observation, reading and so on. Feature: 1. 100% brand new and high quality 2. It has adjustable support clamp, you can adjust it what you want. 3. With three different multiples of lenses, you can be replaced at will. 4. The surface of the base is lined with steel sheet, which increases the weight of the base and strengthens the stability. 5. It can apply to electronic welding, model making, biological observation, reading and so on. Specification: Condition: 100% Brand New Item Type: Magnifier Color: Black Material: Plastic, Metal, Glass, Acrylic Power: 3 * N Batteries(not included) or external power supply(not included) Weight: Approx. 577g Size: Approx. 10 * 6.8 * 16cm / 3.94 * 2.68 * 6.30in Base Height: Approx. 2.3cm / 0.91in Packing Include: 1 * 2.5 Times(big lenses) 1 * 7.5 Times(small lenses) 1 * 10 Times(small lenses) 1 * Support 2 * Clip 1 * User Manual