Product Rechargeable DesignThis 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. Two Light ModesThis 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.Convenient to UseThese 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 is also a good gift choice.Package Includes:1 x Medical PenlightNote:1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures.2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm)Thanks for your support :)