Buy JK03 220V AC Time Delay Relay Control Module with Trigger Delay 5min Adjustable NE555 10A Features: - Function: After connecting to 220V, the output is off. When triggered, it outputs 220V. After the arrival time, the output is turned off. - Direct 220V output. The external power cord, load, and button work. Easy to use. - High-quality original Songle relay for switching currents up to 10A. It is equipped with normally open and normally closed points and can be connected as required. - Delay adjustment time length potentiometer is continuously adjustable. - The main control adopts NE555 monostable circuit with accurate delay. - Control part of the power supply adopts RC step-down, the capacitor adopts X2 capacitor conforming to safety regulations, step-down resistor - 3W high-power resistor, filter capacitor up to 470uF, ensuring stable and reliable power supply. - FR-4 glass fiber board is adopted, which is suitable for the mains demand and is not easy to produce leakage elect...