Quality Material: the pen light with pupil gauge and ruler is mainly made of aluminum alloy and LED light, reliable and reusable, sturdy and lightweight, safe and not easy to break, fade or rust, which can serve you for a long time, and you can use with confidence. Designed with push button on/off switches and pocket clip, the pen light is easy to remove and install.
Easy to Carry and Use: despite its compact size, this nursing light has been strategically designed to maintain some necessary features, for instance, the pupil gauge and ruler. It is suitable for those who need a tool that's not too big, not too small, but just right. Plus, the compact size and clip design make it incredibly easy to carry in pocket or medical kit.