The HobbyKing Red Brick ESCs wont win first place for style, though they will take top points for simplicity and reliability. With a basic set of programming features these ESCs are a perfect solution for anyone looking for a basic yet robust speed controller.

Specs.
Max Amps: 30A
Ubec: 5v / 2A
Cells: 2~3s Lipoly
Size: 52mm x 14mm x 25mm
Weight: 22g (Inc Wires)

User manual included.