Description: Optocoupler, High anti-interference ability With indicator light Operating voltage 12V, control level voltage compatible with 5V and 12V. Supports all microcontroller control Industrial field; PLC control; home intelligent control Specification: Material: Plastic Color: As picture show Size: Approx. 13.5x5.5x1.9cm/5.31x2.17x0.75inch Package Includes: 1 piece Relay Module Board Note: Due to the difference in the measurement , pls allow an error of 1 to 3mm
