This is the Hitec Lynx AFHSS 4S 2.4GHz Surface Computer Transmitter with the Axion 4-Channel HHR Receiver. Servos Not Included.

FEATURES: Ultra-fast 4ms Hitec High Response System (HHR) 4096 resolution 30 model memory expandable to an additional 30 models, also music file storage, and warning sound file storage capable with micro SD card-card not included, must be purchased separately Variable mixing for Car/Boat/4WS/Crawler Fail-safe position assignable by transmitter Receiver features user selectable Normal 14ms or High Response (7ms) frame rate, fail safe/hold function, extra port (AMB) for Lap Counter Interface 3-Step Slide Switch for Mixing Assignable functions (switches, dials & trims) 12-character model & user naming Six color LED indicates transmitter status Adjustable wheel and trigger position, and spring tension Easy-to-change control mode for left handed drivers Backlit graphic LCD screen PC link support (firmware update) Ear phone jack for music & warning sound Music Play Mode and Warning Sound Mode *.WAV file from micro SD card- card not included

INCLUDES: Lynx AFHSS 4S 2.4GHz Surface Transmitter Axion 4-channel HHR Receiver, HRCL7824 CG-S85 Overnight Wall Charger HRCP4193 4.8V 1300mAh NiMH Transmitter Battery Steering Wheel Extension Instruction Manual Disc

REQUIRES: Compatible servos of modeler's choice

SPECS: Transmitter: Operating Voltage: 4.8V-8.4V (2-Cell LiPo / 2-Cell LiFe / 4-Cell NiMH / 4-Cell NiCD Receiver: Dimensions: 1.26 x 0.89 x 0.43" (32 x 22.3 x 11mm) Weight: 0.25oz (7.0g)