8-36V 4 Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Industrial Grade Stable Performance Simple for Power Control ABS Black

8-36V 4 Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Industrial Grade Stable Performance Simple for Power Control ABS Black

• [Accurate Timing] Offers precise timing with at least 1-second function and less than 1% error rate
• [Indicator Lights] Features power indicator light and relay suction indicator for easy monitoring
• [Wide Voltage Input] Supports dc 8v-36v input with power anti reverse connection to prevent module damage
• [Highly Functional Relay Module] With 4 channels of input and output control, each channel can be set to 20 functions for versatile applications
• [Efficient Power Saving] Includes automatic power saving function to reduce energy consumption