In original packaging item, may require some assembly. See link for more details:

Note: All included, unable to test due to requirements. See pictures posted. Return with in 7 days

https://www.vevor.com/mppt-solar-charge-controller-c_10732/vevor-20a-mppt-solar-charge-controller-12v-24v-auto-dc-input-solar-panel-regulator-charger-with-lcd-display-temperature-sensor-cable-for-sealed-agm-gel-flooded-and-lithium-battery-charging-p_010254593392