This Control Procesing Receiver (C.P.R.) unit was developed for 1/10 and 1/12 R/C cars, but can be used with boats and aircraft without modification. The compact unit contains a high capacity, amplifier boosted electronic speed control, receiver, switch and separate servo. Maximum currect capacity: 160A constant, 640A momentary. Size is 60 x 45 x 33 mm.