Features:

• GREAT DESIGN - The design of our pen lights provides a comfortable grip when working, providing a bright light to assist in medical and health assessment. The metal clip beats out other designs with plastic clips, durable and perfect to clip on shirts, pants, or scrubs.
• READY & REUSABLE - Each kit comes with batteries, allowing you to start working immediately. Replaceable batteries means no more buying disposable pen lights. Light turns on with an easy click of a button.
• FUNCTIONAL - The white LED light is perfect for a variety of medical uses; everything from examining pupil dilation to checking the soreness of a throat
• DIAGNOSTIC REFERENCES - Each pen has a pupil gauge and ruler to assist you in diagnostics.
• FUN COLORS - Each pack comes with two colors

Details: SPECIFICATIONS: Material - Aluminum alloy LED Color - Easy to use single click on/off button 5cm ruler and pupil dilation reference chart on pen light Pin point lens directly illuminates eyes, ears, nose, or throat PACKAGE INCLUDES: Two (2) pen lights Four (4) AAA batteries