Feature: 1. It is waterproof and works well in water, JR plug suitable for plug into the receiver, plug and play. 2. Under the condition of 5V voltage, the pump works continuously for 15 hours and pumps water continuously. 3. Put it to work normally, the temperature will be hot, but it belongs to the normal range and will not affect the use. 4. The power supply method is not to take power from the receiver, battery used is greater than 2S and the voltage is between 7‑28V, need to use a step‑down module to make the operation more stable. 5. Suitable for installation on remote control boats that require water cooling with water‑cooled motors and without water‑absorbing steering gear 6. Suitable for RC aircraft carriers, warships, battleships, etc. on a series of remote‑controlled ships that require water cooling for motors and ESCs. Specification: Item Type: RC Boat Water Pump Material: Metal Color: As Picture Shown Total Length: Approx. 73mm/2.9inMotor Length: Approx. 24.4mm/1.0inPump Head Diameter: Approx. 28mm/1.1inWater Outlet Length: Approx. 7.8mm/0.3inWater Outlet Width: Approx. 3.95mm/0.2in Weight: Approx. 71.0g/2.5ozWaterproof Pump: You can throw the pump directly into the water to work 1. JR Plug: This connector is suitable for direct plug-in use; 2. Step-Down Module: Since the voltage of the water pump is 3-6V, if your power is not taken by the receiver, and the battery used is greater than 2S, that is, 2S, 3S, 4S, 5S, 6S batteries, the voltage is in Between 7-28V, you need to use this step-down module to drop the step-down voltage to 5V to supply the pump. Pump Work Test: After actual testing, the water pump works continuously for 15 hours under the condition of 5V voltage to pump water without interruption. If it is placed in normal operation, the temperature will be hot, but it belongs to the normal range and will not affect the use. Operating voltage: rated 6V, use 3-6V Voltage: 3 V Pumping waterflow rate: 1.1L / one minute pumping waterflow rate: 300 ml / one minute Voltage: 6 V Pumping waterflow: 1.8L / one minute pumping waterflow: 600 ml / one minute Use Range: Silent 370 water pump, suitable for installation on remote-controlled boats that require water-cooled motors and do not have a water-absorbing steering gear. The pumping voltage of the 370 motor is 3-6V and can be directly plugged into the receiver to obtain power. Through the step-down module, it can be directly plugged into 2 -6S (7-28V) battery step-down 5V feed water pump. It is suitable for remote-controlled aircraft carriers, warships, battleships and other series of remote-controlled ships that require water-cooled motors and ESCs.. Package List: 1 x RC Boat Water Pump