Using this Paris satin chrome adjustable LED wall light is easy. First, make sure you have a licensed electrician install it as per the instructions in the box. Once installed, you can adjust the light to shine on your pictures as you like. It's suitable for 2 - way switching, so you can control it from different places. Also, it can work with PIR and Microwave sensors for added convenience. As for maintenance, keep it clean by gently wiping it with a soft, dry cloth. Avoid using harsh chemicals. Remember, it's not suitable for dimming, so don't try to adjust the brightness in that way. The light can operate in temperatures from - 20 to 50°C, but try to keep it in a normal indoor environment for better performance. If you have any issues within 2 years, you can get a replacement as per the warranty.