Using this wall light is simple. First, make sure to have a licenced electrician install it following the instructions in the box. Once installed, it's ready to light up your interior. Note that it's not suitable for dimming, so adjust your lighting needs accordingly. When it comes to the environment, it can work well in temperatures from -20 to 50 °C. For maintenance, just use a soft cloth to gently wipe the surface from time to time. If you have any issues within the 2 - year warranty period, you can get a replacement.