The Zoey has no screen. Together with the facility button, it's a ‘Delay’ button. When the ‘hold off’ button is pressed at the time, the cleaning is going to be delayed for one hour, 2 times for two several hours, and 3 times for three hrs. To relay information, 3 indicator lights alter colour. Vince says: March 21, 2020 at seven:21 am I a