Increase The Supply Anti- Reverse Function. Set Parameter After Power For Perdurable Memories. Signal Terminal Voltage Signal Can Be Maintained For A Longtime. To Ensure The Stability Of Industrial Grade Board, Class Plc. Size: 64.2mm X 34.8mm X 18.5mm/ 25.28 X 13.7 X 7.28 Working Mode Selection:after Power On,long Press K12 Seconds Later Into The Select Function Mode,p1-1~p1-4 For Choose. P1-1 Operating Modes:a Signal To Trigger Relay,time Is Up,the Relay Disconnect Users,you Can Set Relay Time T,click K2 The Hundred Digital Tube Starts Flashing,then Press K3,the Hundred Digital Change;click K2 Ten Digital Tube Starts Flashing,then Press K3,ten Digit Changes;click K2 Bit Digital Tube Starts Flashing,then Press K3,single-digit Change;then Click K2,digital Pipe Does Not Blink,then Press The K3,shifting The Decimalpoint,the Decimal Pointin Abitindicates 0-999minutesin Ten Represents 0 To 99.9 Seconds Withou Tadecimal Poin Trepresents 0-999 Seconds;goodchoice,bringing The Time Setting Is Completed. P1-2 Ope