This is the Ace RC 2.4GHz Skymaster TS4 4-Channel Radio System. Transmitter and Receiver Only, no Servos Included. FEATURES: Fail safe setting and range check functions Built-in mixing function for V-Tail & Elevon Simulator connector port FHSS transmission system Lightweight compact 4-channel receiver with single antenna system INCLUDES: Skymaster TS4 4-Channel Transmitter, TRS401ss Receiver, On/Off Switch, 4-Cell Battery Holder and Instruction Manual REQUIRES: AA Cells: Eight for transmitter Servos of modeler"s choice jxs 05/17/11 ir/jxs