Divide both sides of the circuit board, the front is the main chip components, digital control and buttons. The back of the relay, terminal, electrolytic capacitors, and user-friendly installation panel.
Line terminals are used KF7.62 terminals, screw terminal crimping large, easy wiring.
After the set parameters of power and can never remember, input and output optocoupler isolation, enhanced anti-jamming capability power.
DC motor can be controlled between 3V-14V.Technical Details

Product Details

Package Dimensions
Width : 4.5 inch
Height : 0.4 inch
Length : 7 inch

Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B01HB1X75U