1、【Package Contains】: You will receive 2 pieces of LED pen lights in 6 different colors, including black, red, blue, purple, gold and silver; The bright light pen lights are a good helper for your daily chores, as well as lighting items you need to check your child for sore throat, ears or nose on a daily basis2、【Safe Material】: The pen light is made of high quality aluminum alloy and recessed LED lamp, which is not easy to break and strong enough for daily use; Our lamp pins have 2 types of lamps; The white light is good for looking at the neck so you can see clearly without hurting.3、 【Convenient size】: The pen light is about 1*13.5cm, which is easy to carry and does not take up much space, so you can put it in your backpack or bag4、【Easy to use】: Compared to the other types, this reusable LED pen light is a push button to turn on and off instead of holding the clip down, these reusable pen lights have push button switches with pocket clips that easily fit into your uniform pocket making them very easy to use and carry.5、【Versatile】: The pen light with the pupil meter and ruler board on both sides are very useful for measuring pupil size and neck, the light pen is suitable for home care and daily care