... openning all the way,Capacitance is AC220V,5A),The Operating time is 50million .6.Operating Temperature:-10+507.Subtrahend Range: ... the screen displays "-0100" seconds, that is, real-time display relay closure time of the countdown, until reduced to 0 seconds, the ... to 00000, relay closed, the screen displays "-----", at this time follow the "reset button (preset number of settings)," Manual Reset ...