Tiny Proportional controller for SPEED 280 and smaller motors For 4-8 nicads, or 2 to 3 Lithium cells, 4 Amps Continuous current, 10 Amps Max current (up to 10 seconds), BEC for receiver and up to 2 servos, no current limiter, no brake. 1000 Hz switching frequency, 1/6 oz., 15x12x5mm. Special feature: has lower receiver/servo BEC voltage of 4 volts which WILL operate all receivers but allows use of this controller with only 4 nicads (4.8 volts approx.)