Solar-powered & Long Lasting – This flat solar lights absorbs enough solar energy during the day to shine bright for more 10 hours after the sun goes down Automatic with On/Off button – Switching to ON activates automatic On/Off function (automatically turns on at night and powers off at sunrise); toggling switch to OFF prevents unit from powering up even at night Super Bright and Adjustable – each Swivel Disklight unit has 8 high-powered LED bulbs for maximum brightness; central LED panel swivels 360 degrees allowing you to change light direction from a mounted position Easy install, Wireless, No batteries needed. Our modern solar lights installs in seconds right out of the box. Simply attach ground stake (included), mount on the ground, and you’re good to go Weather-proof– swivel disk lights is designed to be used 365 days a year, be it rain, snow or shine Others: Each disk measures 4.6” across, 1” thick, and weighs 3.8 oz; mounting hardware comes included