... groups 2.CE certification 3.AC380V, 220V, 110V, 24VDC ZYT16 WEEKLY ELECTRONIC TIMER 12VDC THE WORKING VOLTAGE CAN BE CUSTOMIZED:12VDC,24VDC,48VDC ... the current time.2. Time settingstepkeySetting content1Press the key "TIMER"The first switch-on setting(display 1ON )2Press the key ... Mode: set the switch-on working days4Press the key "TIMER" againThe first switch-off setting(display 1OFF)5Press the key ...