Rechargeable Pen Light with Pupil Gauge LED Penlights for Nurses Doctors, Warm/White Light, USB Rechargeable Medical Penlight Gifts for Nurses Nursing Student (Black)

【Durable Material】 pen lights are made of premium aluminum alloy material, making sure these pen lights durable and long-life using. It also comes with a pen cap to prevent damage caused by falling., 【Two Light Modes】This pen light can switch between white light and warm light modes according to your needs. The white light is suitable for checking nose, mouth, ears or as a flashlight for lighting, the warm light is suitable for checking eyes, 【Rechargeable Design】This pen light is designed with a built-in rechargeable battery. We equipped with the newest type-C to USB charging cable and you can charge the pen light at any time via power bank, computer, etc. It will save your money to buy, 【4CM-Ruler & Pupil Gauge】There are pupil gauge and a 4cm-ruler on the side of the penlight. It is very helpful for you to measure the pupil dilation and length on using these medical penlights., 【Convenient to Use】These reusable nursing pen lights have push-button on/off switches and pocket clip. You can easy to control it and put it in your uniform pocket. If your friends or families are nurses, doctors or nursing students, this pen light i