The Wireless Presenter Is Designed To Help You Express Yourself In Meetings. It Has A Red Laser Pointer That'S Easy To See On Most Backgrounds And Projection Surfaces, And You Can Be Sure They Won'T Miss The Point. Its Intuitive Slide Controls Help YouNavigate Presentations With Confidence. Built-In Slideshow Button. Contoured One-Touch Keys For Easy Slideshow Control. Lightweight And Portable, It Feels Comfortable In The Hand. Plug And Play, No Software Required, Easy To Use. Red Laser Pointer With Led Indicator For Easy Viewing Under Most Backgrounds And Projection Surfaces. The Receiver Is Stowed Away For Ease Of Use, Just Plug The Receiver Into The Usb Port To Get Started. The Battery Level Indicator Lets You Know The Battery Level. Onoff Switch Extends Battery Life. Delivery quantity: 1pc Package content: only the above package content, excluding other products. Size: 5.7 * 1.8 * 0.8cm (Warm prompt: the size is measured manually, please allow 1-2 cm measurement error) Color: black (Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown in the picture.)