... Relay 1) 3 digit bright LED timer relay 2) Thumb switch setting 3) Power fail memory timer 4) Timing range: 0 ... to 99.9H;3) With software menu for setting different function, including timing unit selection (hour, minute, second), output mode selection ... (3 modes), output maintain time setting, key lock function, etc.4) By selecting different output modes, the HM ...