Built with high-quality components and coupled with cutting-edge firmware, the Seaking V3 is featured by unmatched performance and reliability. Multiple safety adjustable options are in use, with the implementation of the low-voltage cutoff protection, thermal protection and throttle signal loss protection. The Hobbywing patented heat-conductive copper bar cover on the power board of the Seaking V3 can efficiently and effectively transfer heat to the integrated CNC machined billet aluminium water cooled heat sink housing thus keeping your ESC as cool as possible. HobbyWing Seaking V3 Series Features: Special Algorithm Design Built-in BEC Waterproof Design Separate PRG/FAN Port Reliability and performance Efficient Cooling system Spec Check: Brushed/Brushless: Brushless Waterproof: Yes Cont./Peak Current: 30A/180A Input: 2-3S LiPo/5-9 Cells NiMH BEC Output: Linear Mode:6V/1A Input Wires: Red-14AWG-100mm*1, Black-14AWG-100mm*1 Output Wires: Black-16AWG-75mm*3 Input Connectors: No Output Connectors: No Size: 54.5x28.3x18.7mm I.D./O.D. of the Water Cooling Pipe: ?2.0/4.0 mm Weight: 41g Boat Length: < 45cm