Pen Light, Escolite LED Penlight Medical with Pupil Guage for Doctors Nurses White, Pink and Orange UPGRADE: This new-style penlight also can be used as a Stylus Pens on the other end. the penlight provides a smooth pen like writing experience for your touchscreen tablet or phone, also compatible with all capacitive touch screen devices. Safe: the penlight emit warm white light, safe to eyes and just bright enough for most medical purposes but not cause any glare to the patient. the pupil gauge designed comfortably on the side of the pen for swift reference. Attractive, Good Quality: the pink and orange color is the best choice for female, symbolizing sweetness, happiness, optimism. You will be happy when you see the warm corlor. The dull polish led penlight is solidly constructed, water-proof, Convenient, Easy to use: a great reference tool, you can take every where with you, home, car, shirt or jacket pocket, purse or briefcase and so on. lighting your way walking, looking for something fell in car, corner. If you're looking for a steady medical light, this penlight is the best choice for you, especially for nurse, doctor office, medical student.