Defualt setting:20 seconds delay time, signal light blink 2 times quicklyPress "+" and "-" to adjust delay time40 seconds, signal light blink 3 time quickly60 seconds, signal light blink 4 time quickly120 seconds, signal light blink 5 time quickly180 seconds, signal light blink 6 time quickly300 seconds, signal light blink 7 time quickly
DC12V-DC24V