The following is an introduction to all installation steps and methods. 

Install Solar panel on the wood

1. Slide the Locking Screw Cap into the Universal Joint until it reaches the end. 
2. Clockwise spin the Locking Screw Cap. 
3. Drill three p6.0(mm)drill holes with an electric drill. 
4. Attach the joint to the back of the solar panel by screwing it in. 
5. Adjust the solar panel to your desired angle. 
6. Pass the charging cable USB-C port through the rubber hole.
7. Insert it into the charging port and make sure the rubber plug is completely flattened. 
8. Slide the bird feeder into the slot of the holder. 

Install Solar panel on the wall

1. Use the provided base to mark the positions of the holes on the wall with a pencil.
2. Drill three p6.0(mm)drill holes with an electric drill. 
3. Align the base with the anchors.
4. Take out locking screw cap on the base. 
5. Then attach the joint to the back of the solar panel by screwing it in. 
6. Adjust the solar panel to your desired angle. 
7. Universal Joint clockwise.
8. Adjust the solar panel to your desired angle.