Nature Power 21062 Solar Powered LED Step Lights, 4 Pack, Bronze These solar stair lights are weatherproof, solar powered and are perfect for illuminating pathways stairs, walkways, docks and decks Made to be mounted vertically or flat The integrated solar cell located on the top of each light recharges the included NiMH battery An internal sensor ensures the light turn on at night and off during the day Stainless steel construction is resistant to wear and corrosion