Walkera 7CH 2.4G DEVO-7E DSSS Radio Control Transmitter 7 Channel W/o RxFor walkera mini 3D series Helis, FBL HelisWe stock only mode 2, left hand throttleFeatures:Supports 2.4GHz Direct Sequence Spread Spectrum DSSS technology, with automatic ID binding and ID assignment. It can also be customizedly set as fixed ID code.Online update function : Enjoying update the latest program and copy model data freely and easilyUp to 30-model data can be saved.You can adjust the gyro sensitivity makes hovering flight and fancy flight in easy way.Wireless data transmission between two DEVO 7E helps experience the training function.Humanization design. Rubber grips design on the side and back of the Radio provide a sense of comfort.Both the length and tension of the sticks can be adjustable.2 Model Type: Helicopter and Airplane. Improved programming with more mixes and better interface Program MIX, MIX to Throttle.Specification:Encoder: ARM micro computer systemFrequency: 2.4Ghz DSSSOutput power:-5dBm~20dBmBattery: 1.2VX8 NiCard or1.5VX8 AA dry batteriesCurrent Drain: 170mAPackage include:Walkera DEVO 7E 7Ch Transmitter x 1USB Cable x 1DSC Cable x 1