This RS PRO Black Edition utilizes both hardware and software advances recently developed for Tekin's latest ESC lineup. With its industry-leading Ultra Low Resistance you can be sure that your motor is getting all the power you can give it. More power, smooth control and reliability you can count on: the RS PRO Black Edition is engineered for performance. Capabilities such as Data Logging and HotWire 3.0 Bluetooth Connectivity allow you fine tune your system and gain an advantage over the competition.The RS PRO Black Edition was specifically designed for 1S-2S Spec Classes and Drag Racing to take full advantage of the ULR circuit design. ULR FlexWire is included with every Black Edition ESC. Pair the RS PROs with a SPEC-R motor for the ultimate Ultra Low Resistance system.For 1:10 scale 2WD/4WD Buggy and Stadium Truck and Modified Touring Car they recommend the RSX Modified ESC as these setups tend to run at higher temperatures. The billet housing and fan shroud on the RSX provide sufficient cooling. The RS PRO is not recommended for any 2S Modified track racing applications as there is no heat sink or fan. Please see the RSX PRO for your Modified Racing needs!Features:Bluetooth Wireless Mobile and USB PC Tuning with the HotWire 3.0ULR: Ultra Low Resistance DesignDouble Stack FET BoardsSpecifically Designed for Spec & Stock Racing3rd Channel Input for On-The-Fly Drag Brake Adjustments <>QuickTune™ One Touch ProgrammingAdjustable Torque Control *Adjustable Throttle and Brake Frequencies *High Voltage Programmable BEC *HotWire™ Programming Port *Data Logging Capability *On-Board Sensor CheckerOn-Board Temperature IndicatorESC Self Diagnostics with Error CodesFully Proportional Forward/Brake/ReverseBrushless and Brushed Motor DriveSensored or Sensorless OperationLiPo Safe with Custom Voltage CutoffsSensor Plug for Precise CommutationLightweight Chassis DesignHDAC: High Density Copper PCB'sUltra-smooth and Precise Throttle and Braking Control*