Material: Aluminun alloy.Length: 13cm/ 5.12 inches.Diameter: 1cm/ 0.4 inches.
Pretty appearance and sturdy aluminum alloy body, make it also a good present choice for person who works as doctor, nurse, etc.
High quality material with handy size for durable and convenient use.
Pupil gauge printed on the side of penlight to help determine the size of a patient's pupil when doing a neuro assessment.
Push button On/Off button at top, works convenient. Powered by 2pcs AAA batteries(not included)