Working voltage: DC 6-12V, Maximum flow: 1.5-1.8L/Min The design of the black silicone case has a fixed effect, and mainly plays the role of shockproof and silent. The pump Size: 95mm(L)x47mm(W)x36mm(H). Inlet pipe diameter: 5mm This water pump mainly used in the experimental model, inflatable pool,car washing, watering, timing of mineral water filling etc Warm tips: Don't run continuously. This diaphragm pump is an experimental supplies. Non-industrial use., Weight: 0.2425084882 pounds, Manufacturer: Esooho