**12w usb brick not include**This magnifying glass with clamp has a power switch which allows you to easily adjust the brightness. You can use a portable USB battery (not included) to run it, or you can plug it into a 12w usb brick suited for a wall socket.It is lightweight and can be moved from one location to another without taking up a lot of space.
Martelli Enterprises The Right Tool the Right Way: **NEW**Table Clamp Magnifying Light
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