This is the Castle Creations Programmable ESC and Brushless Motor
1/10 Mamba Max Brushless Package.

FEATURES: No brush maintenance
Insane speeds easily possible
Easy setup, easy to use
Crazy long run times
No hassle installation
Infinitely adjustable throttle and brake curves
Punch Control to dial in the horsepower just where you want it
Brake Strength to keep you tracking straight under hard braking,
Drag Brake to help corner entries
Start Power for true and smooth launches
Cutoff voltage to keep your LiPo packs happy
Timing Advance for that final tweak in performance
Programmable ESC via USB
540 Size Motor with 1/8" Shaft

INCLUDES: One Mamba Max USB ESC
One Setup Disk
One Mamba Max 5700kv Motor with 4mm connectors
One Instruction Sheet
One USB Cord

REQUIRES: Soldering on battery connectors depending on type of battery

SPECS: Cells: 6-12 NiCd/NiMH
2-3s LiPo
Continuous: 100A
On-Resistance: .0003 Ohm
Brake: Proportional
Reversible: Yes - with lockout
Low Voltage: Programmable
Size ESC overall: 1.9" x 1.3" x 1.2"
Motor: 1.4" x 1.7"
Weight: (w/wires) 2.5oz (70.9g)
Motor: 7oz (198.4g)