4-in-1 Design & Separate Design: Featuring a pen, pen clip LED light, pen tip LED light, and green pointer beam at the tail, providing multiple functions in one device, like writing, reading, or in a presentation setting. The white light switch is moved to the rear, separated from the laser switch, making the operation more straightforward. Convenient Charging: The O&';Pen Glow has a newly designed charging base that is both fashionable and convenient, making it easy to keep the penlight charged and ready for use. Slim Body Proportion & Durable, and Lightweight & Safer: Comfortable and stylish grip, making it easier to use for extended periods. It also adds a lock function for worry-free carrying. Ideal for everyday carry and various activities. Adjustable Brightness: The pen clip LED light can be adjusted from 5 to 120 lumens