2pcs 5V 12V 24V 36V DC Timer Relay Module, Trigger Cycle Delay Timer Switch On/Off Relay Module with LED Display, Micro USB 5V

✔【Multifunctional Time Delay Relay】Programmable timing modes to control relay timings. Widely used in smart homes, industrial control, automatic irrigation, indoor ventilation, protection equipment, etc.
✔【Load Range】Operating Voltage: 6V - 30V DC, supports 5V micro-USB power supply. High Level Trigger: 3V - 24V. Maximum NO (normally open) load: < 250V AC/10A, < 30V DC/10A. Time Delay Range: 0.1s to 999min (continuously adjustable)
✔【Reverse Polarity Protection】Built-in diode for protection against accidental reverse polarity of circuits
✔【Standby Mode】In the absence of operation for 5 minutes, the relay board's digital tube automatically shuts down. Press any button to reactivate it.
✔【Settings】Conduction (OP) / Stop (CL) / Circuit (LOP) times are individually adjustable and independent of each other. Once set, all parameters are permanently saved. Functions and parameters can be viewed or changed later.