Description: 100% Brand new and high quality Adjustable Timer Module Switch for NE555 DC 12V Timing frommicroseconds to long hours Simple circuitdesign Precision Pulse Generation / Timing Countless Application and Information Sources Including the power indicator LED and the switch trigger timing indication LED There is thechronopotentiometry regulation time, adjustable from 0 to 10 secondsby default, or by changing the capacitance adjustment time longer Input Voltage:DC 12V Module Properties: for NE555 chip Dimension: 70 x 21mm Adjustabletime: 0 to 10second Controlvoltage: AC 0~220V / max.10A Max.loading: 2000W Package Included: 1/2/3/4 x Delay Timer Switch