Walkera Devo 7 Transmitter and receiver.

A Walkera Devo 7 radio control transmitter
and RX701 receiver.
Features:
Quad-bearing gimbals.
2.4ghz digital spread spectrum technology.
Supports both helicopter and Aeroplane. Improved programming with more mixes and better interface Program MIX ,MIX to Throttle.
7-point throttle curve
Fifteen-model memory.
Online update function
Output power:-5dBm~20dBm
Battery: X8 NiCad or X8 AA batteries