There are two sets of one and off settings. Do you have to use both or just one. I want to turn outside lights on at sunset and off at 11PM.

Hello Deon, thank you for your question. We would love to have the opportunity to work with you directly and help walk you through the troubleshooting steps for this product, so you can enjoy our products to their full potential. At your earliest convenience, please give us a call between the hours of 7 AM – 8 PM Central Standard Time, Monday thru Friday at 1-800-654-8483, press option 2