This is the Futaba 4GWD AM 27MHz Computer Surface Radio with two S3004 Servos. With the 2 extra channels, you have the flexibility to add a working water cannon to your fire boat, light/sound to your 18-wheeler, or special effects to your tank. FEATURES: Ergonomically designed case with adjustable sticks for modeler"s comfort. LCD screen for easy access and programming of the many functions Three model memory Charge jack for optional NT8F700B NiCd battery (FUTM1462), battery not included End point adjustment Digital trims Model copy and model clear One year limited warranty INCLUDES: Transmitter with crystal Tx Antenna FUTM5040 R124H 27MHz Receiver FUTL0450 Rx Crystal FUTL46A1-A6 Two S3004 Servos FUTM0004 Two Servo Accessory Packages FUTM3551 4 AA Cell Battery Holder with On/Off Switch One Set Frequency Flags One Gate Plate Instruction manual REQUIRES: 12 AA batteries COMMENTS: For surface use only For optional NiCd battery and charger order FUTM1462 and FUTM1830 Throttle stick does not come ratcheted. The customer may do this themselves by special ordering through their local hobby store, part numbers: HSP51420 ratchet spring and HSP60795 screw. jxs 12/24/07 updated 1/10/08kh ir/jxs updated jpg 6/12/08