This pack of Stella LED solar bollard lights from Smart Solar feature a brushed stainless steel finish and a unique rippled glass design.Solar powered bollard lights are Ideal for illuminating garden paths and driveways or for use as additional security lights. One single bollard light can also create effective lighting accents in the garden and illuminate decorative objects or flower beds. Each solar garden bollard light outputs 3 lumens of light which is significantly brighter than regular LED solar lights.These solar powered bollard lights are equipped with a ground spike that allows you to position the LED garden light in the desired location in your outdoor space. Simply insert firmly into the ground and youre ready to go. Constructed from glass and metal these contemporary solar powered lights are designed to last against the elements while bringing a designer look to your surroundings, thus making them ideal for use in any outdoor area where no power supply is available.Solar garden lights are designed to charge a rechargeable battery during the day via the solar panel and automatically light up at night using the stored solar energy, making them environmentally friendly. The duration of the light output is determined by the amount of exposure the solar panel receives during the day and how bright a day it has been.The typical duration of light output times is Spring 2-5 hours, Summer Up to 6 hours, Autumn 2-5 hours, and Winter 0-2 hours.These high-quality solar LED lights come with batteries pre-installed and are ready to be used straight from the box. Replacement Smart Solar 1.2V AA Ni-MH 300mAh batteries can be purchased separately (1 per garden light) .Solar lights are a cost-effective lighting solution but are also environmentally friendly, easy to install and require absolutely no wires or maintenance.To maintain the optimum performance we recommend regular cleaning of the solar panel on these outdoor lights.