1.Solar wall lights has different three settings and very easy to use with the single button on the light. Mode 1 (off to bright with motion); Mode 2 (dim to bright with motion); Mode 3(constanton dim illumination) 2. solar barn lights outdoor uses a large capacity battery of 2000mAh, Lasts all night long on low motion sensor. Assembled size of 7.9' x 13.4' is right for a small to medium sized shed 3.This rustic matte black barn light features a classic farmhouse style with clean lines and stylish bulb that can fit into many different home settings, both modern and country 4.Quick and easy assembly. solar barn lights includes all necessary hardware and no need to plug it in. A great option for spaces with no electrical access. Just install in an open fullsun location,and enjoy!