Description ?Small size but professional, allows you to easily carry around your penlight, wherever you go. This pen lights can be used for examine a patients throat, mouth or even to illuminate deep wounds to check on the status of patients healing, also very handy for checking ears or nose for any obstructions. Ruler scale pattern design means it can be use as an simple ruler if you need. Features ?- Color: Random Color.- Light Color: White Light + Yellow Light.- Material: Aluminum Alloy.- Size: 14 x 1 x 1cm.- Unique small size shape design make it more easy to storage and use.- Made by material, durable and provide long service life.- Battery powered by 2 x AAA battery(Battery Not Included), no extra power connect required, let you use it more easily. Caution: Battery Not Included.- Push button On/Off button at the end, works conveniently.- Pretty appearance and sturdy Aluminum Alloy body, make it also a good present choice for person who works as doctor, nurse, etc.?-?Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Packing list: 2 x Penlight