This is the Futaba 7C 2.4GHz Helicopter Radio System with the R617FS FASST 7-Channel Receiver, and four S3152 Digital High-Torque Servos. This is the helicopter version which will default to heli settings when powered up and does not have a ratcheted throttle stick. Modeler can change from the default mode ([1]mode 2[IMAGE] in USA) by holding the Mode and End keys and then turning transmitter On to access the STK feature, changing mode and turning transmitter Off and then On again. It is recommended to send transmitter to the Futaba Service Center to change switch operation. FEATURES: Futaba"s FASST (Futaba Advanced Spread Spectrum Technology) shifts very quickly virtually eliminating signal conficts and interruptions unlike other 2.4GHz systems that only stay on one or two frequencies Dual antenna diversity enables FASST system to automatically and seamlessly select the best reception between the two antennas built into the receiver ensuring that the aircraft stays under constant control of transmitter regardless of altitude Newly designed Dial-N-Key jog dial with joy stick button allows cursor movement in four directions for very user friendly navigating through menus and programming INCLUDES: Futaba 7C 2.4GHz Transmitter NT8S600B 600mAh 9.6V NiCd Transmitter Battery (FUTM1457) R617FS FASST 7-Ch Receiver (FUTL7627) FBC-19B(4) 120V AC Battery Charger (FUTM1830) Four S3152 Digital High Torque Servos (FUTM0311) Switch Harness w/Charge Cord (FUTM4370) Black Transmitter Neck Strap (FUTM5690) Servo mounting hardware and instruction manual REQUIRES: 4.8V receiver battery of modeler"s choice SPECS: 7C 2.4GHz Transmitter Current Drain: 170mA R617FS FASST Receiver Size: 1.6 x 1.1 x .35" (40 x 27 x 9mm) Power Requirement: 4.8 - 6V Weight: 0.34oz (9.8g) with case, 0.25oz (7g) without case S3152 Digital High-Torque Servo Speed: .22 sec/60° @ 4.8V, .18 sec/60° @ 6V Torque: 69 oz-in @ 4.8V, 87 oz-in @ 6V Weight: 1.5oz (42g) Length: 1.6" (41mm) Width: 0.8" (20mm) COMMENTS: The 7C 2.4GHz System is available in the following configurations; FUTK7000 Airplane Version w/4-S3152 Digital High-Torque Servos FUTK7001 Heli Version w/4-S3152 Digital High-Torque Servos FUTK7002 Airplane Version w/4-S3004 Standard Ball Bearing Servos FUTK7004 Airplane version with no servos FUTK7005 Heli version with no servos *All include R617FS Receiver jxs 6/15/07 ir/jxs 1. #