Product Description Specifications Timing Range: 0-999 seconds, 0-999 minutes, 0-999 hours Supply Voltage: AC 110V-220V Relay: 20A Working Current: 10A (max) Power: 500W (max) Dimensions: 79 x 26 x 43 mm Hole Size: 72 x 40 mm Instructions For first-time users, please note the following: After setting the data, wait 6 seconds for the module to save your settings. For time adjustments, press the "SET" button briefly to enter time setting mode; the display will blink, allowing you to adjust T1 and T2 using the "+" and "-" buttons. Wait 5 seconds after setting to save. For parameter settings, press and hold the "SET" button to enter parameter setting mode. There are two parameter groups: P0 and P1. You can switch between them with a short press of "SET". Adjust the timing mode with the "+" and "-" buttons as follows: P0 Parameter Group P0-0: Timing mode in seconds (0-999s) P0-1: Timing mode in minutes (0-999 min) P0-2: Timing mode in hours (0-999h) P1 Parameter Group P1-0: Relay connects after T1 delay P1-1: Relay disconnects after T1 delay P1-2: Relay connects after T1 delay, then disconnects after T2 delay P1-3: Relay disconnects after T1 delay, then connects after T2 delay P1-4: Relay cycles: connects after T1 delay, then disconnects after T2 delay P1-5: Relay cycles: disconnects after T1 delay, then connects after T2 delay Example: If you need a 10-second start-up and a 20-second off time, set T1 to 10 and T2 to 20, with settings P0-0 and P1-5. Package Includes 1 x Digital Display Time Relay