Pen color: random. LED color: warm white. Pen length: 13.5 cm. Works with 2 AAA batteries (not included). Diagnostic flashlight with activated clip for nurse. Click and it holds an extra bright sealed concentric beam. Long lifespan and reusable, easy to use and affordable. Perfect for nurses, medical students, and home use. The pre-focused Pinpoint lens directly illuminates the eyes, ears and throat. Characteristics : Aluminum alloy outer casing with disinfectable lacquer coating. Clip to keep it on your uniform, easy to carry. Clear and bright light. On / off switch. Low power consumption and long service life. Wide beam, excellent for lighting the path, intense spotlight penetrates deep into the darkness. With strap on the hood, can be put in your pocket or hung on your bag. Suitable for camping, travel and other outdoor activities. On / off button, easy to use. Portable, easy to carry and store. Characteristics : Material: aluminum alloy. Light color: white. Body color: gold / silver / blue / red / green / black / purple. Length: 13.5 cm. Works with 2 AAA batteries (not included). Contents: 1 LED first aid light pen (battery not included).