Eufy SoloCam S40 Spotlight Camera (S230)Power, Solar Style Just 2 hours of direct sunlight each day is enough to continuously power SoloCam S230, so you never have to worry about changing the battery. And when the sun sets, the built in battery keeps the juice flowing. Light Up the Night The ultra bright 600 Lumens spotlight switches on as soon as motion is detected, shining a light on any unwanted guests, while the color night vision picks out details in the darkness up to 8 meters away.