Rated Up To 10A. Built In .5 Second Delay. Normally Open And Normally Closed Output Terminals. Configured For 8 Cylinder 4 Pulse/Revolution Tach Output Signals. 12 And 16V Compatible. Manual Upshift Trigger Button; Allows Driver Override And Testing. Built In Time Delay Prevents False Shifts Off Line. Disable Circuit Prevents Shifting During Burnouts.