... 3) Power fail memory timer 4) Timing range: 0.1S-99.9H digital Timer RelayHM7 model digital Timer RlayHM series Timer ... size, . The setting range is from 0.1 second to 99.9 hours, very wide range suitable to most application. More features ... output maintain function, maintain range is from 0.1S to 99.9H;3) With software menu for setting different function, including ...