HW-521B 1-Channel Timer Relay Module Delay DC 6-30V Power Off Disconnect Trigger Delay Cycle Timer with LED Display Circuit On Type-C USB-C Interface, Smart Home Controller

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Product introduction:
1. Wide voltage power supply (6~30V) support MICRO USB 5.0V power supply;.
2. Clear and simple interface, powerful function.
3. One key emergency stop function (STOP key), with reverse protection, reverse connection does not burn.
4. You can set different OP, CL, LOP parameters, these parameters are independent of each other, saved separately.
5. All setting parameters are automatically saved by power down.
Product details: 1 channel relay time delay TYPE-C interface
Product Parameter:
1: Working
voltage: 6--30V support MICRO USB 5.0V power supply.
2: Trigger
signal source: high level trigger ( 3.0V -24V) signal ground and the system ground is not common ground to improve the system's anti-jamming ability (can also be shorted to common ground) 3: output...