At Interlink Electronics they are committed to provide the consumer with the highest and best quality when it comes to products like this Exclusive RemotePoint Navigator Emerald By Interlink Electronics. SMK-LINK Interlink VP4450 Wireless Powerpoint Presentation Remote Control with Green Laser..The RemotePoint Emerald Navigator offers a bright green laser pointer and presentation controls at ranges up to 100 feet. In addition to dedicated presentation controls for Mac and PC, all of the buttons on RemotePoint Emerald Navigator can be customized to send a variety of key combinations. By selecting Interlink Electronics RemotePoint Navigator Emerald - we know you chose right, because at Interlink Electronics they are dedicated to meet consumers" satisfaction.