Features:
3-Channel relay module for easy operation.
Equipped with High-current Relay: AC250V 10A & DC30V 10A.
Built-in clear LED display, convenient to check the value.
Adjustable Time Range: 0.1 second to 999 minutes.
With delay, timing, self-locking, & interlock function.
Input Voltage: DC/AC7V~36V.
Compatible with the programming software for Arduino.