It is a timer relay module with high precision, stable and reliable performance. Power onto connect, and will connect after delay time, delay time error is 2%. 220V AC input voltage, and the load capacity is up to 10A250VAC or 10A30VDC. Widely used on timer operating equipment, household electrical appliances, lighting delay modification, factory equipment, time delay control, etc. Time Delay: 0~10 Minutes Min. Time Adjustable Value: 1%(e.g. 1 minute for 0~100 minutes) Time Delay Error: 2% Standby Power Consumption: 0.8W Load Capacity: 10A 250V AC/10A 30V DC Material: PC+Metal colour: As shown Package Contents: 2 x Timer Relay Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.