Inovonics EN1210 Single Input Universal Transmitter.. This Inovonics EN1210 Single Input Universal Transmitter is a versatile device that is compatible with Honeywell and ADT brands. It is designed to work with Windows and it has a sleek white color. This transmitter has a unit type of Unit and is 2.5 inches tall and 3.8 inches wide. It weighs 0.15lbs and was manufactured in 2016. BOX HAS DAMAGE/WEAR & TEAR AS SEEN IN PHOTOS.