Professional level, hand-held illuminated magnifiers with low-distortion, aspheric lenses in abrasion-resistant, coated acrylic, with pre-focussed LED illumination with diffuser, which is safer and more reliable than previous halogen-illuminated versions. Battery saving feature switches off unit after approximately 35 minutes. Powered by 2 x 1.5V C batteries. Overall 220 x 60 x 70mm L x W x D. Weight 150g. Supplied with carrying case, but without batteries required for operation.