Product Details : MINJIANG JZ-F1303 INTERNAL FILTER AQUARIUM PUMP Features ： • Multifunction Submersible Pump • Oxygen Increase • Filtration and Water Circulation • Energy Conservation • Silent Design • Wearable Axis • Fashion Shell •Tropical Freshwater •Marine Saltwater Performance Setting : A clogged of dirty intake screen will greatly reduce performance. If the pump is used on a dirty surface, raise its slightly to reduce the amount of debris contacting the intake. If less flow is desired, adjust the flow control lever. CAUTION : 1. Users must check the sign in pump, the subject of the use of voltage and the actual voltage is consistent before the pump be used. 2. Do not let the pump run dry. 3. Do not lift the pump by the power cord. 4. Operate pump completely submerged for proper cooling. 5. The supply cord of this appliance can not be replaced, if the cord is damaged, the appliance should be discarded. 6. Disconnect the appliance from supply mains before putting hands into water. 7. The maximum depth immersed in water for the appliance is 0.4 Meters. MODEL INFORMATIONS : MODEL: JZ-F1303 VOLTAGE : 110-120V / 220-240V FREQ: 60/50Hz H.MAX: 2.4m Q.MAX: 2000L / H POWER: 40W