You will get 2 Pcs LED Penlights (Black + White). These Pen lights are made of premium aluminum alloy and led bulb, which make sure these nurse penlights durable and long-life using. Note: Batteries were not included.

There are pupil gauge and a 5cm-ruler on the side of the penlight. It is very helpful for you to measure the pupil dilation and length on using these medical penlights.

Convenient to use: these reusable nursing penlights are push-button on/off switches with pocket clip. It is easy to control and place them on your uniform pocket.

These Penlights can be powered by 2 Packs AAA batteries with keeping the positive pole "+" direction of batteries to the pen bulbs.

Lightweight and Convenient: these pen lights are light and compact, convenient to carry anywhere.