Pen Light, Escolite LED Penlight Nurse Medical with Pupil Guage for Doctors Nurses Warm White Blue There is a pupil gauge on the side of the penlight as well as a 5 cm ruler for convenience The Nurse Penlight is made from aluminum alloy which is lightweight and easy to carry around in your pocket without weighing you down. LED color: Warm White Shell color: Blue Penlight NW:30g (Batteries Included) Size:13.8cm (5.5&#034;)Length x 1.25cm(0.49&#034;)diameter 1 x Nurse penlight with Pupil Gauge Blue 2 x Give-Away Batteries Sturdy and durable aluminum alloy material instead of plastic. A metal pocket clip design, allowing you to carry your penlight with you wherever you go. The pupil gage printed on side of pen allows for proper assessment of pupil size, and the built-in 5cm ruler adds a measure of convenience and utility. Push-button on/off switch, easy to control. Whether for Christmas, birthdays, or just to show that you care, Escolites nursing penlight makes a great gift that can be used every day. Theyll appreciate the simple, white design, portability, and the bright white light powered by LED technology. The LED bulbs are long lasting as well, ensuring that your gift can be appreciated for years to come.