Waterproof Function: Water cooling pump is in waterproof design, and it can works even in water,at the time, it has a long service life. Long Work Time: The JR plug is suitable for insertion into the receiver. At 5V, the pump will still operate normally after 15 hours of operation without interruption. Great Performance: It's hot but it's in the normal range, which has no impact on operation Low Noise: The low noise design gives you the perfect game playing experience. range: The silent 370 water pump is suitable for installation on a remotely controlled boat requires water cooling for the water-cooled motor and does not have a suction rudder. The pumping voltage of the 370 motor is 3-6V, which can be directly plugged into the receiver for . 6S (7-28V) battery step 5V feed pump. Suitable for remotely controlled aircraft carriers, warships, battleships and other trains require water cooling for electric motors and ESCs. Switch: Add a switch between the pump and the supply. When the pump needs to work, turn on the switch. When you need to turn off the pump, turn off the switch. Water pump working test:After actual testing, the water pump works continuously for 15 hours under the condition of 5V voltage, and the pump will work normally. The temperature will be hot, but it is in the normal range and will not affect the . other instructions:Pump head outlet diameter: 3.95mm, center hole is water outlet out, eccentric hole is water inlet in. voltage: rated 6V, 3-6V Voltage: 3 V Pumping : 1.1L / one minute Pumping : 300ml / one minute Voltage: 6 V Pumping : 1.8L / one minute Pumping : 600ml / one minute Pump size: including pump head outlet length 72mm, motor outer diameter 24.4mm, pump head outer diameter 28mm Pump length: 7m (including7.8mm inlet and outlet lengths) Outer diameter of water inlet and outlet: 3.95mm Tool Supplies:Assembled class Technical parameters:Value 2 Number:RC Toys Parts Remote Control Peripherals/Devices:Remote Controller For Vehicle Type: Four- Drive Attributes:Assemblage Wheelbase:Screws colour:Metallic Material:metal size:About 5 x 3.6 x 1.5cm Package Contents: 1 x 370 RC Water Cooling Pump Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.