This is the Traxxas Velineon Extreme Brushless Waterproof Power System for electric powered R/C vehicles.
FEATURES:
Each component engineered to work wih each other to eliminate restrictions and allow maximum power flow
Velineon VXL-3s ESC:
- Auto-detects and compatible with brushed, brushless and sensored brushless motors
- Compatible with NiCd, NiMH (4-10 cells) and 2-3 cell LiPo battery packs-two stage low voltage detection for LiPos
- Three driver profiles-Sport, Race and Training Modes 
- Gold-plated motor connectors
- Built-in output for optional auxiliary cooling fan
Velineon 3500 Brushless Motor:
- 10-turn 3500kV
- Optimized for extreme power and efficiency in 1/10 scale vehicles
- Ultra high temp neodymium magnets, high-speed ball bearings
- Precision balanced rotor
- Traxxas High-Current Connector
- Reverse polarity protection makes backward connections impossible
- Compatible with high-current 12-gauge wire
- Gold-plated wide surface terminals
- Textured surface for easy gripping
INCLUDES: Velineon VXL-3s ESC, Velineon 3500 Brushless Motor and high-current connector
REQUIREMENTS:
- Installing in vehicle
- NiCd, NiMH (4-8 cells) or 2-3 cell LiPo battery
SPECIFICATIONS:
VXL-3s:
- Input voltage: 4.8-11.1V (4-10 cells NiMH or 2S-3S LiPo)
- Supported motors: Brushed/Brushless/Sensorless brushless
- Motor Limit: None
- Continuous current: 200A
- Peak current forward & reverse: 320A
- Braking Current: 320A
- BEC voltage 6.0V DC
- BEC current: 2.5A w/6-cell NiMH
- Transistor type: MOSFET
- On-resistance: 0.00075 ohms Max (0.006/8 FETs)
- PWM frequency: 12,000Hz
- Battery connectors: Traxxas High-Current Connector
- Motor connectors: TRX 3.5mm bullet connectors
- Motor/battery wiring: 12-gauge Maxx Cable
- Input Harness Wire: 26 gauge, 3.9" (100mm)in length
- Low voltage detection: 2-Stage indicators, switchable (on or off)
- Thermal protection: 2-stage thermal shutdown
- Case size (l/w/h): 2.19" x 1.54" x 1.3" (55 x 39 x 33mm)
- Weight: 3.17oz (90g)
Velineon 3500 Motor:
- Type: Sensorless brushless
- RPM/volt: 3500 (10-turn)
- Magnet type: Ultra High-Temperature, sintered neodymium
- Connection type: TRX 3.5mm bullet connectors
- Wire Size: 12-gauge Maxx Cable w/solder tabs
- Current Ratings: 65A constant 100A peak/burst
- Max RPM: 50,000
- Diameter: 1.42" (36mm) (540 size)
- Length: 2.165"(55mm)
- Weight: 8.75oz (248g)
Used with permission, copyright 2016 Traxxas/Tower Hobbies, Inc. Copyright 2016 Brey Corp. t/a Hobby Works.