Check the listing for details. Tekin RS Gen3 SPEC Sensored Brushless ESC TEKTT1157. Condition: New. Listed at 128.95 USD. Tekin RS Gen3 SPEC Sensored Brushless ESC TEKTT1157 ........ Key Features: QuickTune™ One Touch ProgrammingNew HD Solder Post Design3rd Channel Input for On-The-Fly Drag Brake AdjustmentsAdjustable Torque Control *Adjustable Throttle and Brake Frequencies *High Voltage Programmable BEC *HotWire™ Programming Port *Data Logging Capability *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 *NOTE: requires HotWire™ sold separately. Specifications: Controls: Forward/Brake/Reverse Input Voltage: 2S LiPo / 4-7S NiMH-NiCD Motor Limit Brushless Mode: 2S - 13.5T 2-pole 36mm Can Motor Limit Brushed Mode: 2S - 20 Turn 36mm Can Max Current: 70amps per phase* BEC: 6.0v @ 3.7amps Dimensions: 1.0 x 1.3 x .51" / 24.5 x 34 x 12.9mm Weight: .80oz / 22.5g