Fangrui Product Details It Is A Timer Relay Module With High Precision, Stable And Reliable Performance. Power Off Delay Disconnect Module, Is Special For Delay Of Cooling Fan, Exhaust Fan, Etc. Function: Turn On The Output When There Is A Signal, And Turn Off The Output After The Signal Disappears. Fine Workmanship And Good Performance. Long Service Life. Specification: Voltage: Ac 100v-220v Power Consumption: Less Than 1.0w (standby Zero Power Consumption) Time Range: (4 Gears, Selected By Switch) First Gear: Range 0.2-30 Seconds, Accuracy: 0.1 Seconds Second Gear: Range 0.2-300 Seconds (5 Minutes), Accuracy: 0.3 Seconds Third Gear: Range 0.2-30 Minutes, Accuracy: 1.8 Seconds Fourth Gears: Range 0.2-300 Minutes (5 Hours), Accuracy: 18 Seconds Output: The Output Voltage Is The Same As The Input Voltage, And The Maximum Power Supply Capacity Is 10a. Lifetime: 100,000 Movements Used For Exhaust Fan Mr22 19 Colour: Green Material: Plastic Package Contents: 1 X Relay Module Only The Above Package Content, Other Products Are Not