Digital watch, with built in infra-red transmitter, used to control household appliances, made by Casio Electronics Company Ltd, model CMD 40

Made by Casio Electronics Co Ltd, this digital watch has a built-in infra-red transmitter that could be used to control household appliances such as a television, video or CD player, or even a car aor garage door. The development of extremely cheap, relatively accurate quartz liquid crystal display (LCD) digital watch movements in the 1990s prompted watch manufacturers to add extra functions in order to make their watches stand out from the many available.