With the strong torque and excellent output, the EZRUN 18A can definitely cater for all the power hungry requirements that professional drivers need. The highly adjustable parameters of the ESC will allow drivers to enjoy smooth throttle response when the throttle/brake linearity is utmost required. Hobbywing patented heat-conductive copper bar cover on the power board of the EZRUN 18A, which can efficiently and effectively transfer heat to the integrated CNC machined billet aluminum heat sink housing, combined with high-performance cooling fan can keep your ESC as cool as possible. HobbyWing EzRun 18A Features: High Reliability & Durability Efficient Cooling System Great Flexibility & Versatility Multiple Programming Methods Single-button Programming & Factory Reset Regular Firmware Updates-Free of Charges Spec Check: Scale: 1/16th, 1/18th Brushed/Brushless: Brushless Sensored/Sensorless: N/A Motor Limit: 4-6 cell NiMH/NiCd or 2S LiPo: On-Road?12T, Off-Road?18T 6-9 cell NiMH/NiCd or 3S LiPo: On-Road?18T, Off-Road?24T Waterproof: No Cont./Peak Current: 18A/50A Input: 2-3S LiPo/4-9 Cells NiMH BEC Output: Linear Mode:6V/1A Size: 31.5x27.5x15.0mm Weight: 19g (HW81010020)