Features： 1、BRIGHT AND FOCUSED LIGHT: LED penlight features an resin bulb that provides bright and focused light, for various tasks like medical examinations, inspections. 2、CLIP DESIGN: Penlight comes with a convenient clip, allowing you to easily attach it to your pocket, collar, or anywhere you need quick access. 3、MULTIFUNCTIONAL TOOL: Penlight also features a 50mm measurement scale, making it a handy tool for quick and easy measurements in various situations. 4、EFFICIENT BATTERY CONTACTS: The penlight is designed with a physical reverse connection technology for the battery spring contacts, preventing oxidation and poor contact. 5、DURABLE AND LONG LASTING: Made of aluminum alloy and resin, penlight is built to last. It is not only resistant to wear and tear but also energy efficient. Specification： Item Type: Pen Light Material: Aluminum alloy, resin Light Color: White light Batteries: 2 x AAA batteries (not included) Package List： 1 x Pen Light