24 Outdoor Copper Stainless Steel LED Solar Path Landscape Light Lamp Lawn 1 Ultra bright white LED, last up to 100,000 hours Pre-installed Rechargeable AAA Ni-Cd, last up to 2 years before replacing Automatic sensor activates at dusk with New and IMPROVED solar panel for better charging performance Weatherproof  designed to protect the lights from elements Dimensions: 2.5 (D) x 14.25 (H) (including spikes). Easy to install, no wiring required