Instapark&reg; WP-001 Wireless Presenter with Dual Laser Pointers (Red & Green) 2.4 GHz wireless technology ensures long-range transmission with little interference, up to 50 feet Dual Red & Green laser pointers with battery indicator Plug-and-play USB 2.4 GHz wireless dongle slides inside the presenter for easy storage Intuitive & ergonamical design with easy-access buttons & one-hand operation Rubberized coating with anti-slip design