These Solar Powered Deck Lights are ideal as marker lights along pathways, decking, driveways, patios, borders, etc. During the day, the solar panel converts solar power and stores it in the rechargeable battery. At night, the light turns on automatically using the stored energy. Top quality durable stainless steel construction allows lights to be walked on without damage when installed on decking.Specifications: The lights are freestanding, sun-powered solar lights with stainless steel construction. They are easy to install, requiring no wiring, and turn on automatically when dark. They feature super bright, long-life LED bulbs and utilize a AAA Ni-MH battery (included) for solar power storage.Dimensions: The light has a diameter of 7cm, and a 5cm diameter hole is required for installation in decking.Please note: Solar lights are dependent on the amount of sunlight they receive each day. Run time will be reduced during non-summer months due to reduced charge times related to daylight hours and light strength.Dimensions: Light Diameter: 7 cmRequired Cut-Out (Hole) Diameter for Installation: 5 cmMinimum Installation Depth: 1.3 cm (to allow the light to fit properly).