Most solar lights light at full brightness as soon as they come on, and in winter months or prolonged days of cloudy weather, that can mean they don't come on at all, or light for just a few minutes'. '.strtoupper('w')ith these 365 super smart solar lights, the brightness is determined by the amount of sunlight they receive, so in summer they will light for a full 8 hours at full 15 lumen brightness, and during days of little sun, they will still light up for most of the time, albeit at a lower brightness'. '.strtoupper('p')erfect for those of us who want to enjoy our gardens all year round, these are great lights to use if you enjoy sitting around a firepit and partying whatever the season'! '.strtoupper('t')he orbs are a good chunky 7cm in diameter and are filled with tiny warm white 'firefly' style led lights, if strung out in a continuous length they provide 2.7 metres of illumination, and there is a further 2 metres of cable from the solar panel to the start of the orbs'. '.strtoupper('s')uper bright warm white light 15 lumens2.7m lit length2m dark cable from solar panel to lights 10 x orb lights with 30cm spacing between1 x 3.7v li ion battery included