wasserstein 2w 6v solar panel with 13.1ft/4m cable compatible with arlo ultra/ultra 2, arlo pro 3/pro 4, & arlo floodlight only (2-pack, white) (not compatible with arlo essential spotlight) wasserstein wasserstein 2w 6v solar panel is compatible with arlo ultra/ultra 2, arlo pro 3/pro 4, & arlo floodlight. the arlo pro 3 solar panel charger has a specially made adjustable wall mount which allows you to easily position your solar charger in the best direction, ensuring maximum sunlight exposure. this arlo ultra / arlo ultra 2 solar panels specifically works with arlo security camera system wireless and it can serve as a solar power bank to achieve continuous charging. it comes with a 13.1ft/4m long cable for a convenient mounting and charging for arlo batteries. this solar battery charger is made of weather resistant materials and designed to survive rainy and harsh weather.