Wide power range (6~30V) supports USB 5.0V power, easy to use. The interface is clear and simple, powerful and easy to understand, meeting almost all your needs. Features a one-button stop function (STOP key), with reverse polarity protection—reverse polarity will not damage the device. Includes a sleep mode; after 5 minutes of inactivity, the monitor automatically shuts off; any key wakes it. You can set different OP parameters, which are saved independently. All setting parameters are automatically saved upon power down. Operating Voltage: 6-30V, supports USB 5.0V power Trigger Source: High trigger signal (3.0V-24V) without a common ground system to improve the system's anti-jamming capability (even self-shorting common ground) Output Capacity: Can control DC or AC within 30V 5A or 220V 5A Quiescent Current: 20mA Operating Current: 50mA Time Interval: 0.1 seconds - 999 minutes continuously adjustable With optocoupler isolation, improved anti-jamming capability, industrial-grade circuit board, settings are saved permanently after power down. Special Note: Relay outputs are passive contacts, unloaded output to control a switch. Color: Blue Material: ABS Size: 10 x 6 x 3 cm Package Contents: 1 x Module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.