NOS Digi-Set Time Delay Relay Switch (DIP Switch) - Allows you to activate a second or third stage of nitrous (or other electronic device) as a function of time. Delay is easily set from 1/10th of a second to almost two minutes, in 1/10th second increments, by setting the small switches on the top of the timer. Available with DIP switch settings. NOS Digi-Set Time Delay Relay Switch (DIP Switch)