Enough to Meet Your Needs: nurse penlights in 7 different colors, available in red, black, blue, silver, purple, green, gold color, adequate quantity and rich color are enough for your daily use and replacement needs, and also practical for doctors and nurses to use in their daily work Stable and Reliable: the pen with light is mainly made of aluminum alloy, smooth and comfortable to touch, sturdy and serviceable, not easy to break, safe and reliable to use for a long time, you can use it with confidence Batteries Are Not Including: there are no batteries in the package, so you need to prepare the batteries for penlights; These penlights can be powered by 2 packs AAA batteries with keeping the positive pole + direction of batteries to the pen bulbs 2 Different Light: the penlight for nurses has 2 different colors of light, including white light and warm light, which are suitable for different occasions, and meet more needs of customers, bringing more convenience for users Wide Range of Application: this nurse pen light not only can replace light bulb and flashlight to check eyes, throat and mouth, but also can be applied for household appliances maintenance, lighting and outdoor camping in daily life