Timing Range: 0-999s, 0-999min, 0-999hRelay type: Normally open relaySize: 79 x 42 x 26mm, Hole size: 72 x 40mmProduct Functions: Timing, Delaying, Time Cycling & etc.Features:P1-0 Load is off until (T1 or PV) time counts to 0 then the load will come on and stay on.P1-1 The load comes on as the button is pressed. After PV Time the load will go off.P1-2 The load is off for (T1 or PV)(delay time) then the load switches on and runs for the time set in (T2 or SV) then switches off until switch is pressed to cycle again.P1-3 Load is on until PV Time runs out Then after SV time runs out the load will come on and stay on.P1-4 Load is off until (T1 or PV)(Delay) time counts to 0, then load comes on until SV time counts to 0 then the load is off then it cycles again and again-auto cycle.P1-5 The load is on until (T1 or PV) time counts to 0 then powers and after (T2 or SV)Time counts to 0 the load will working and cycle again and again-auto cycle.color:BlackMaterial:ABSPackage Contents:2 x Timer Delay Relay DC12V 20A