Jebao SK-40 Pond Water Surface Floating Skimmer Skimmer power: 70 Watts Skimmer overall Size: 13"(W) x 11.5"(H) Skimmer basket size: 7"(dia) x 5"(deep) Power cord: 30' length Skimmer works for up to 900 sq. ft. pond surface. Pond water depth minimum required: 12"