Duracell solar led outside lights made of glass and brushed stainless steel with ground spike set of 4 5 lumen extra bright white leds high quality materials glass and brushed steel 5 times brighter than normal 1 lumen solar lights very easy to place in the garden thanks to the ground spike highly efficient monocrystalline solar cells comes with replaceable nimh rechargeable batteries charges up during the day and lights up for up to 8 hours at night you do not need to switch