Manually open the warehouse door (6 doors in total)
Rotating the lever up, the three knobs control the lifting, retracting and swinging action of the digging arm respectively
Rotating the lever down, the three knobs control the excavator forward and backward, left and right rotation and 360 rotation of the platform respectively
Additional purchased part in need for Remote control mode: 2.4g remote control to go forward/backward, turn left/right, and all manual function can be remote control
