3PRKA 3-Channel Radio System The most affordable 2.4GHz surface system Futaba offers! The 3PRKA is an outstanding value in basic 2.4GHz control, whether you`re looking at it as an inexpensive start-up system or an economical upgrade for your RTR. It puts the interference-free dependability of Futaba FHSS (Frequency Hopping Spread Spectrum) technology at your fingertips. •Dual-Rate Steering — a convenient thumb dial lets you dial in steering on the go! Move it clockwise for more steering, or counterclockwise for less! •Throttle Fail-Safe— moves the throttle to a preset position if signal is lost or interrupted. Prevents runaways and lost vehicles — automatically. •Low-Battery Warning — a flashing LED lets you know when battery voltage is low and it`s time for new batteries. 3PRKA Features •Trims & servo reversing (St., Thr.) •Dual Rates (St.) •EPA (Thr) •Fail-Safe (Thr) •70:30 throttle mode •Channel 3 switching •Built-in antenna •Protective cover •Low-battery warning •R203GF S-FHSS receiver Transmitter Specifications: Type: 3-Channel FHSS Includes: 3-Channel R203GF Receiver Requires: (4) "AA" alkaline batteries Receiver Specifications: Type: 3-channel FHSS/S-FHSS Input Power: 4.8V-7.4V Dimensions: 1-9/16 x l-1/16 x 3/8 in (39 x 26 x 10 mm) Weight: 0.28 oz (8 g)