At the bottom of the unit there is a plastic ring with a metal clamp on it. This fits on a 33 mm pole. Please hammer a pole from 1.2 to 2 m straight into the ground and set the iMETOS ECO D3 on it. The solar panel should be directed towards the sun (South on northern hemisphere and north on southern hemisphere). Fix the screw on the clamp with a 10 mm spanner.