Summerkill8 The timer works only for short delays or very long delays. Banggood were not supportive in how to get a delay of 90 secs. they ask me to refer to the Website, and the website says anything! Adjustment only changes approx 10 secs. Not good for the purpose i needed it above. After my numerous requests -- > all that Banggodd did was to add ' No instructions supply, please note about this before you order it.' This is the first time i am very disappointed with Bandgood sale

Summerkill8 No you are not the only one i have written a huge number of times to Banggood without an answer. Banggood removed the timing chart from the website and they tell me refer to the website ! I needed a delay of 90 secs and all i got was or very small delay (less than 60 secs) or very long delays (more than 5 mins). I tried all sequence of switches including a fourth one which is at the side of the supply.