This is the 3-Channel Futaba 3PRKA 2.4GHz FHSS Radio System with the R203GF Receiver. FEATURES: Ideal upgrade for radios found in RTR vehicles Throttle and steering trim and reverse Steering dual rate dial Throttle end point adjustment Channel three switch Throttle fail safe 70/30 throttle mode One year limited warranty through Hobby Services beginning at date of purchase YOU WILL RECEIVE: Futaba 3PRKA 2.4GHz FHSS Transmitter, R203GF Receiver, Instruction Manual and On/Off Switch REQUIREMENTS: Servos of modeler"s choice Four AA batteries for transmitter SPECIFICATIONS: Transmitter: Transmitting Frequency: 2.4GHz band Power Requirement: Four AA cells Current Drain: 100mA or less Receiver; DIMENSIONS: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm) Weight: 0.28oz (8g) Operating Voltage: 4.8 - 7.4V (shared with servo) Battery Fail Safe Voltage: 3.8V* Current Drain: 30mA at no signal *Battery fail safe voltage is set for 4-cell NiCd/ NiMh battery Battery F/S does not work properly when other type of battery is used COMMENTS: 2.4GHz FHSS is not compatible with FASST systems, and the R203GF receiver is compatible only with electronics created specifically for 2.4GHz FHSS systems. jxs 06/06/11 ir/jxs &