This is the LRP Associated AI Pro Reverse Electronic Speed Control with BEC for Brushless and Brushed Motors.  This is perfect for use with 8.5+ turn brushless motors, or 7+ turn brushed motors.

With the A.i. Automatic Brushless digital speed controls, LRP presents the first-ever sport-level brushless line. Since the success of the original SPHERE speed control in 2005, LRP has been setting benchmarks in car brushless technology. Now LRP adapted this winning sensor brushless technology into a sports-level Brushless + Brushed system which will turn the R/C market upside down. The LRP brushless technology combines the two main features all R/C car drivers are seeking: Maximum power AND virtually no maintenance! The highlight: Very competitive pricing! Now everybody can enjoy the LRP brushless advantage!

Features:

• Works with Brushed motors of 7+ turns or Brushless motors of 8.5+ turns
• NiMH/NiCd/LiPo 4 - 7 cell voltage input (4.8 - 8.4V)
• Forward/brake and reverse operation
• Sensored design
• Multi-protection system
• Waterproof
• Fail Safe
• Limited 120 day warranty

Includes: LRP Associated AI Pro Reverse ESC for Brushless Motors with Tamiya-style connector

Requires: Installing in vehicle and connecting to motor, receiver and battery

Specifications:
Size: 1.57 x 1.64" (40 x 41.8mm)
Voltage Input: 4 - 7 cell (4.8 - 8.4V)
BEC: 5.5V/3.0A
Motor Limit, Brushless: Over 8.5 turns
Motor Limit, Brushed:    Over 7 turns
Weight (excludes wires): 2.2oz (62g)
Rated Current (Brushless): 150A/phase
Rated Current (Brushed): 150A