Powerful three dioptre 109mm and eight dioptre 24mm precision lens gives high quality magnifying capabilities. Features six SMD LEDs producing up to 60 lumens to illuminate the object for improved detailed work. Built-in touch sensitive dimmer switch. Magnifier can detach from its sturdy base and spring clamp to a work bench up to 45mm thick. Ideal for electrical engineers, engravers and fine detail work. Rechargeable 3.7V 400mAh lithium cell battery. Supplied with micro USB cable. Features & Benefits:Powerful three dioptre 109mm and eight dioptre 24mm precision lens gives high quality magnifying capabilities.Features six SMD LEDs producing up to 60 lumens to illuminate the object for improved detailed work.Built-in touch sensitive dimmer switch. Magnifier can detach from its sturdy base and spring clamp to a work bench up to 45mm thick.Ideal for electrical engineers, engravers and fine detail work.Rechargeable 3.7V 400mAh lithium cell battery.Supplied with USB ca