The lampshade is made of Polycarbonate and has a protection rating of IP65. This means that the lamp is protected against a rain shower but is not completely waterproof. We recommend placing the lamp under a shelter. The size is manually measured, there will be an error of 1-3cm. Because of the difference in light, there may be slight chromatic aberration. We appreciate your understanding in advance. We recommend that you'd better let a professional electrician to install it.
