Product details:

The Chicago 1276-ABNF Accessories and Parts. This handheld programming unit is designed for 2-way communication with the HyTronic, E-Tronic, and Galileo Series' Electronic Faucets. It features a color touch screen, a micro USB for connection to your PC, and software that is permanently pre-installed on the unit. It has a 3.3" screen, and weighs 7.3 ounces.