BlueDot Trading LED Solar Pathway Lights & UV Light Bug Zapper in One (Set of 4) 16-1/2 inch tall, including ground spike; lamp hood is 5-1/2 inches in diameter Solar Panel charges a rechargeable AA battery (included and pre-installed; replaceable), which powers both the pathway light and bug zapper No wiring needed. Simple drive spike into ground, and mount lamp shaft and lamp head. Best in a sunny location to fully charge battery daily Switch between light and bug zapper Built in dusk to dawn sensor turn unit on as darkness falls, and off at daybreak