Invisa, Inc. manufactures and licenses a line of advanced electronic sensors incorporating the Company's patented presence-sensing design, InvisaShield, for safety and security applications. The Company's SmartGate product is used in life and property safety mechanisms for parking gates, slide gates and other powered closures. First generation security sensors using InvisaShield technology are in service at a major museum in New England. The Company revenue include the sale of additional presence-sensing products under development and those that are being designed to improve the safety of various products, which may include industrial doors, commercial overhead doors, powered slide and swing gates, as well as products designed to provide security sensing for various markets, including museums, retail, residential, commercial, governmental and defense.