1.High speed,multilingual menu 2.4GHz 7 channel R/C system 2.10class contrast adjustment 3.Up to 4 flight modes SpecificationModel: WFT07Applications: helicopters, airplane, vehicles, boatBand: 2.4Ghz DSSS (spread Spectrum) +Frequency HoppingOutput Power: ≤100mWCurrent drain:≤190mAPower:3.7V-6V1. Large dot matrix LCD. Resolution of 132×64.2.10class contrast adjustment.3. Chinese display, ...