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-220VPower 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 secondsSecond gear: range 0.2-300 seconds (5 minutes), accuracy: 0.3 secondsThird gear: range 0.2-30 minutes, accuracy: 1.8 secondsFourth gears: range 0.2-300 minutes (5 hours), accuracy: 18 secondsOutput: The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Lifetime: 100,000 movementsused for exhaust fan Mr22 19colour: greenMaterial: plasticPackage Contents:1 x Relay ModuleOnly the above package content, other products are not included.Note: Light 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.