... LED, 2) Aluminum body 3) suitable for doctor use and work as touch for lighting in dark ... 1 bright LED2) Aluminum body3) suitable for doctor use and work as touch for lighting in dark1 ... in this metal pen flashlight suitable for doctor use and work as touch for lighting ... .3. Pen shape aluminum flashlight is portable, welcomed by: Doctor, Nurse, Waitress, Police, Students, Businessman, Traveller,etc ...