Arrived quickly. Ordered it before bed and it was there when I woke up. Ready for immediate use. Two switches got stuck, but eventually they moved. You set the current time by aligning the hand with the nearest time on the dial. Comes in 15 intervals. . Slide the switches down to the time you want it on, and leave the switches on when you want it off. I have the light on at 8pm and off at 2pm. So 18 hours of reception and 6 hours of rest. He wrote this before he had a chance to leave and come back. There will be an update with hopefully good results. Update: Turned off about 12 minutes later than I thought it was set, but it turned off automatically, that's all I can ask for. Now I know it will turn back on at 8:12. I turned it off during rush hours
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