Bulk packaging transaction: You will receive 24 nurse pen lights, each in 12 different colors, with 2 pieces of each color; Whether you are a manager looking to provide high-quality tools for your nursing team or a student trying to acquire tools for your learning group, this package deal is built to meet your needs High quality materials: Pen lights with pupil scales and scales are mainly made of aluminum alloy and LED lights, reliable and reusable, sturdy and lightweight, safe and not easy to break, fade or rust. They can serve you for a long time and you can use them confidently; Using button on/off switch and pocket clip design, the pen light is easy to remove and install Easy to carry and use: Despite its compact size, this care light is strategically designed to maintain some necessary features, such as student specifications and scales; It is suitable for those who need tools that are not too big, not too small, but just right. In addition, the compact size and clip design make it very easy to carry pockets or kits Easy to use: Our flashlight is easy to use and powered by 2 AAA batteries (not included) to ensure long-term operation; Its ease of use makes it a great tool for nurses and doctors; Keep the positive pole of the battery in the direction of the pen bulb Multi functional usage scenarios: Our pen lamp is a practical tool suitable for many occasions, such as nose, eyes, etc Colour:random color, don't accept the specified color Material:Metal Package Contents: 24 x Pen Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.