Convex lens: eagle-eyed convex lens, with good light transmittance, not easy to damage, and strong aluminum attack to protect the lens from wear;
Telescopic zoom: the left and right stretch head can zoom, astigmatism - concentrating mode, convenient to use in different situations;
Tail switch: high natural rubber material, surface anti-slip treatment, light touch switch to switch lighting mode;
Battery contact: copper - plated cylindrical battery contact design, copper has good conductive performance, effectively prevent contact.
The product does not contain batteries.