High-Efficiency Lighting: Equipped with advanced LED and COB technology, this medical pen light provides bright and clear illumination, perfect for pupil examinations and other medical uses. USB Rechargeable: Features a built-in 600mAh battery that can be easily via USB, ensuring you always have light when you need it without the hassle of constant battery replacements. Versatile Lighting Modes: With 6 adjustable modes, this penlight is designed to cater to lighting needs, making it a versatile tool for any medical professional or nursing student. Compact and Portable: Its pocket-sized design makes it easy to carry around in medical coats or clip to notepads, ideal for on-the-go healthcare providers. Color: As Shown Material: ABS Package Contents: 1 x Versatile Pen Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.