<https://www.doxsap.com/product/tekonsha-9030-voyager-electronic-brake-control-black/#product>
<http://schema.org/description>
"This fits your . by entering your model number.Electric trailer brake control for up to 4 braking axlesBroad control range makes setting quick and easyAs braking power is applied, the LED changes color gradually from green, completed circuit, to red, to indicate relative braking powerAdvanced electronics minimize false braking for smoother ridePlug-N-Play feature allows quick and easy connection"
<https://www.doxsap.com/product/tekonsha-9030-voyager-electronic-brake-control-black/>