SUPERIOR QUALITY --- Made of high quality heavy duty ABS plastic and metal which is solid and sturdy. With adjustable rotating crocodile holding clamps, easily hold the work piece at whatever angle is required. 360° rotating bracket allows you to adjust the lens to the position where you need it the most. MAGNIFYING LENS --- 2 acrylic optical lens, include a 3X main lens/dia.75mm and a 4.5X accessorial lens/dia.20mm, which is sufficient for most work. Perfect for carry out detailed tasks using the crystal clear magnifier, such as needlework, sewing, soldering, antiques, biological observation, electronics repair, removing splinters, etc. BRIGHT LED LIGHTS --- Built-in 10 ultra bright energy-efficient LED lights, is very helpful when working on very small things. It can help when there is insufficient light but also during the day as well. It makes the field of view clearer. It’s a useful tool for viewing books, soldering/repairing work or model makers. MULTI-PURPOSE --- Two adjustable points can stretch to increase the field of view. Equipped with a spring-like holder and small storage tray, it’s convenient to put welding tools and other small accessories. Perfect workstation for soldering, building models, electronics repair, DIY projects, carving, crafts and hobby. POWER SUPPLY --- Powered by 3pcs AAA batteries or USB power cord (Batteries are not included), large capacity, can continuously discharge more than 10 hours, expediently be used. Bottom battery compartment is furnished with steel plate which can enhance stability.