Feature: 1. Large Screen: This module has a large screen that you can easily monitor the running statues of it, convenient and time saving. 2. Reverse Connection Protection: There is a key stop function (STOPKey) with reverse connection protection, and the reverse connection will not be burned. 3. Sleep Mode: If there is no operation for 5 minutes, the sleep mode will be turned on and the display will be turned off automatically. Then you can wake up with one key. 4. Wide Measuring Range: The measure range of this module is 0 to 999 seconds (S) 0 to 999 minutes (min) 0 to 999 hours (h). 5. ABS Material: Made of premium ABS material, this time relay module is scratch resistant, wear resistant, strong and sturdy, ensuring a long life span. Specification: Item Type: Time Relay Module Material: ABS Range: 0 to 999 seconds (S) 0 to 999 minutes (min) 0 to 999 hours (h) Relay Type: Normally open relay Restore Factory Settings: Press and hold the "SET" key to power on the module, and then restore factory settings. Package List: 1 x Time Relay Module Note: Passive contact relay output, the output is not energized, and the control circuit breaker acts.