Brand Profile:VIVOHOME is a US registered trademark based on California. We are devote ourselves to offering high quality products at the most reasonable prices. Hope you could find your favorite collections from us.Product Specification:-Power: 32W-Noice< 60dB-Pressure>0.02Mpa-Output: 60L/min-Product Dimensions: 7.2"L*3.8"W*4.6"H-Item Weight: 4lbsPackage Include:-1 x Air Pump-1 x Outlet dividerOperation:1.Connect air outlet adapter to the distributor and start the unit. For using in aquatic breeding pond, the outlet hose may be connected to pipe distributors for air stones or art curtains2.In case the air exhaust is reduced or without air exhaust, check the connecting parts for leakage, or disconnect the plug, remove the front cover, the valve and the valve base, wash away the dust on them with water, remount with care after drying.3.If the units does not work after connecting to the power source, in most cases the connecting point of the diode is broken or obvious shifting happens between the gap of the motor's piston and housing due to the rough transportation, reassembly of all parts is needed for resuming.Product Warranty:We assure the item you received is 100% safe and sound. For any defective item, please contact our customer service for satisfaction guaranteed solution.