This is the SPX Brushless Competition Stock Spec Speed Control by Associated/LRP.
FEATURES: One speed control for Brushless and Brushed motors 4 stock and 4 modified power profiles
Handles two-cell 7.4 Li-Po and Ni-Mh type batteries
AutoCell System
Automatic Brushless/Brushed adaptation
Sensored design
Internal Temp-check system
Big power capacitor
24.5g light
ADPCTM - Advanced Digital Phase Control
IceDrive Design
Optimized for use with 4 - 6 cell
3.0A BEC
Blue LED
Multi-Protection System

External soldering tabs
2.6mm power wire
Launch Control

INCLUDES: One SPX Competition ESC
One blue colored LRP Heat Sink
Two 29mm x 22mm (1.1" x 0.87") pieces of double sided tape
One 40mm x 40mm (1.6" x 1.6") piece of double sided tape
Three small capacitors
Four small black plastic zip ties
One small plastic screwdriver (phillips/standard)
One performance sensor wire
One instruction sheet
Two sheets of LRP decals

REQUIRES: Brushless motor over 3.5 turns Brushed motor over 5 turns

SPECS: Rated Current: 400A/phase
Typical Voltage Drop (Brushless) @20A: 0.013V/phase
Typical Voltage Drop (Brushed) @20A: 0.010V
BEC: 6.0V/3.0A
Voltage input: 4.8-7.4V
Dimensions: 33.1 x 37.6 x 14.9mm (1.3" x 1.5" x 0.59")
Weight (excluding wires): 24.5g (0.86oz)