Features 1、JST Plug: One of the lines of the 370 motor self priming pump is a JST plug, which can be directly powered (5V‑7.4V) and directly plugged into the receiver tee. 2、Long Term Durability: Under 5V voltage, the 370 RC water pump can still work normally after 15 hours of operation without interruption. 3、Maximum Power Conversion: Low noise design and high efficiency, water cooling pump can achieve maximum power conversion, is a good RC accessories. 4、Cooling Function: It is used for electric regulating water cooling of ship model motor. Draw the water into the cabin and connect the copper water cooling ring to cool the motor. 5、For RC Boat: The motor water pump is used on the remote control boat for water cooling, and is suitable for 15MM 26MM 40MM caliber. Item Type: RC Water Pump Material: Plastic, iron Weight: Approx. 62g/2.19oz Total Length of Pump: 73mm/2.87in Outer Diameter of Motor: 24mm/0.94in Outer Diameter of Pump Head: 27mm/1.06in JST Wire Length: 10cm/3.94in Receiver Wire Length: 30cm/11.81in Operating Voltage: 5V-7.4V Size of Water Pipe Used: Water outlet diameter 4.2 can be equipped with water pipe with inner diameter of 3-4mm Applicable to: 15MM 26MM 40MM caliber Package List 1 x 370 Water Cooling Pump