This is the Tekin RX8 GEN3 1/8 Scale Competition Brushless ESC/Motor Combo with an included Redline T8 GEN3 1900kV buggy motor.

RX8 GEN3 
The RX8 platform has proven itself to handle the rigors of racing, while providing professional features including a programmable High Voltage BEC, Data Logging Capabilities, Timing Profiles, Voltage Cutoffs for LiPos, HotWire 3.0 Bluetooth Connectivity and more. Utilizing Tekin's D2 Dual Drive Mode Technology, the RX8 runs both Sensored and Sensorless motor drives seamlessly, giving you the best of both worlds. The small footprint makes install on any chassis easy with the option of mounting with included hardware for extra security.

T8 GEN3 Motors 
Tekin's T8 GEN3 racing motors are racing performance defined. With a stronger rotor, updated stack features and lower resistance the T8 GEN3 motors are a versatile, unmatched and advanced power delivery system. Relentless amounts of torque and power are at your disposal with industry-leading RC motor technology. Coupled with an RX8 GEN3 utilizing Tekin's D2 Dual Drive Technology, the T8 GEN3 packs efficiency and precise control through the entire RPM range. Maintain Pro- level control of your chassis no matter the situation on the track with a T8 GEN3. 

Features:

• RX8 GEN3
• Updated HD Gold-plated Solder Posts for Easy Soldering
• Updated Adjustable Torque Control
• Updated Adjustable Throttle and Brake Frequencies
• Updated HD High Voltage Programmable BEC
• Ultra-smooth and Precise Throttle and Braking Control
• Compatible with Brushless and Brushed Motors
• ​Easily Access Programming, Anywhere, Anytime
• ​Datalogging Capability
• ​EZ Access HotWire Programming Port
• ​HotWire Interface for Advanced Programming and Updating
• ​D2: Dual Drive Mode Technology
• ​On-Board Temperature Indicator
• ​HDAC: High Density Copper PCB's
• ​Sensor Plug for Precise Commutation with all Motors
• ​Self Test Diagnostics and Factory Reset
• ​Pit Tune Mode
• ​DGF2: Digital Glitch Filtering V2
• ​QuickTune Programming
• ​One-Touch Radio Calibration
• T8 GEN3
• CNC Machined 6061 T6 Billet Aluminum Ribbed Heatsink Can
• Matte Anodized for Maximum Corrosion Resistance
• Sensored and Sensorless Operation
• Low Resistance HD Solder Tabs
• Rebuildable Design
• Solderless Sensor PCB Replacement
• 4-Pole Neodymium Sintered Magnet
• Dual-Plug Sensor Wire Harness
• ABEC5 Precision High Speed Oversized Bearings
• Precision Engineered for Maximum Energy Conversion
• Designed to be paired with the RX8 GEN3 ESC
• ROAR Approved

RX8 GEN3 Specifications: 
Controls: Forward/Brake/Reverse 
Input Voltage: 2S-6S LiPo / 4-16S NiMH-NiCD 
BEC: 6.0v / 7.4v @ 8amps 
Motor Limit Brushless Mode: 2S - No Limit; 3S - 4000kV; 4S - 3500kV; 5S - 2200kV; 6S - 2200kV 
Motor Limit Brushed Mode: No Limit 
Max Current: 300amps per phase* 
Burst Current: 1000amps per phase* 
Timing Profiles: 7 choices (on board) 
Brushed Modes: FWD Only / FWD-REV / FWD-REV Delay 
Brushless Modes: FWD Only / FWD-REV / FWD-REV Delay 
Dimensions: 1.5 x 2.2 x 1.4" / 38 x 55.8 x 35.5mm</