DC12V Time Delay Relay Delay On/Off Cycle Module LED Digital Display Control Timer Switch Trigger Condition: Item Type: Timer Relay Module Color: As shown in the picture Size: Approx.64.2x34.8x18.5mm / 2.5x1.4x0.7in Weight: Approx.27g/1oz Delay Time Range: Minimum 0.1 seconds, maximum 999 hours adjustable. Quiescent Current: 20mA Operating Current: 50mA Service Life: ≥100,000 times Working Temperature: -40~85℃ Button Setting Instructions: K1: Function selection button: Press and hold K1 for 2 seconds, P-* appears, short press K1 to select mode, press K2 to enter mode K2: Shift key: Press to adjust the flashing position of the digital tube, which digital tube flashes, K3 adjusts the value of the flashing digital tube. Until K2 is pressed, the digital tube will no longer flash, the setup time is completed, the setup time is automatically saved and the power is turned off. K3: When the digital tube is flashing: K3 adjusts the digital change, and 0 to 9 changes sequentially.