... power consumption, accurate , reliable and strong anti-interference, The range of Time lag is widely, set up is correct and ... is 50million .6.Operating Temperature:-10+507.Subtrahend Range:999990 8.Time Lag Range: Manual Reset,9.Count Frequency :1.Touch Point ... time follow the "reset button (preset number of settings)," Manual Reset, after disconnect electrical appliances before, and again the screen ...