Forwards, brake & reverse 12 turn limit electronic speed controller  
  
Features

100% waterproof
Forwards, brake & reverse with 12 turn motor limit
4.8V to 9.6V operating voltage
Built in failsafe to protect against signal loss
Short circuit and motor overload protection
Digital one touch setup
Adjustable features include brakes, reverse disable and reverse delay
Dimensions: L40.0mm x W36.0mm x H14.0mm
Weight: 56g
Capable of running up to 4500mAh cells
Capacity 5 min: 25A
Capacity 30 sec: 38A
Capacity 1 sec: 50A