... timer 4) Timing range: 0.1S-99.9H digital Timer RelayHM7 model digital Timer RlayHM series Timer Relay has timing function with ... range is from 0.1S to 99.9H;3) With software menu for setting different function, including timing unit selection (hour ... , second), output mode selection (3 modes), output maintain time setting, key lock function, etc.4) By selecting different output modes, the ...