This is the Futaba 3PL 2.4GHz FHSS Radio System with the R2004GF 4-Channel Receiver. Transmitter and receiver only, servos not included. FEATURES: Special mixing includes 4WS for crawlers or brake mixing on 1/5 scale requiring front and rear brakes Steering/Throttle/CH3 and CH4 servo reversing and end point adjustments ABS braking with fast, mid and low pulses Channel 4 neutral trim Ten model memory with 3-character model naming and model reset Channel 3 switching Channel 4 neutral trim Steering dual rate lever Transmitter low battery alarm when voltage drops below 4.2V Internal transmitter antenna One year limited warranty through manufacturer beginning at date of purchase INCLUDES: Futaba 3PL 2.4GHz FHSS Transmitter with R2004GF 4-Channel Receiver on/off switch, small screwdriver and instruction manual REQUIRES: AA Cells: Four for transmitter Servos of modeler"s choice SPECS: 3PL Transmitter- FHSS Wheel Type 3+1 Channel Power Requirement: Four AA cells Current Drain: 100mA or less R2004GF Receiver (FUTL7617) Power Requirement: 4.8V or 6V shared with servos Current Drain: 30mA at no signal Size: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm) Weight: 0.49oz (14g) WHILE THIS TRANSMITTER COMES WITH A CHARGE PLUG BUILT IN, IT CANNOT BE USED UNLESS YOU USE PART NUMBER HSP29615 AND A CHARGER THAT CAN HAVE THE CHARGE CURRENT ADJUSTED TO 4.8 VOLTS AT 200 MAH. jxs 08/04/10 ir/jxs