Buqikma Helping Hands Magnifying Glass Stand 2.5X 7.5X 10X Desktop Magnifier with Light and Alligator Clips for Soldering Black

Material: Aluminum alloy & optical glass 3 Lens Size: 2.5 x 90mm / 5 x 34mm / 8 x 34mm Power Source: 3 x AA batteries(Not Included) / charger adapter Application: Electronic welding / modelling / stamp collecting / embroidery / antiques / biological observation / reading Features: 1. With interchangeable magnification,two auxiliary lens are stretchable to make work easier.Support clamp is adjustable. 2. This product can use external power.When external power is used, built-in batteries will automatically disconnect. 3. This product has three bulit-in AA batteries. Pull out the plug of external power if batteries are used for lighting.