LaserScope

The Konami LaserScope is a head-mounted light gun used with and licensed for the Nintendo Entertainment System video game console. It was originally released in 1990 in Japan for the Famicom under the name Gun Sight.
It was designed for the game Laser Invasion, but works with any game compatible with the NES Zapper. In the United States, Laser Invasion came with a coupon for a $5 discount for the LaserScope.