Multiple function remote control system including helicopter airplane and slider three type flying machine and five models cover almost every popular model you can fly any model by this radio. 3.5 inch colorful screen 320* 480 resolution clear display menu and graphs. Great control distance: 1.1km on the ground 2km in the sky. Expansion feedback module users can get plane details in real time. Make very setting clear and exactly output result. Fast response time only 3ms to the operation faster then the other transmitter 20ms even ten channels also let you feel it. High channel resolution reaches 4096 0.25us per resolution let all the servos keep tranquil. Strong anti-jumping DSSS (Direct sequence spread spectrum) technology. Unbelievable price high quality as supper bland and more exactly faster response higher resolutionone and the only one anti-jumping DSSS technology. really worthy to have it. You have to buy the special battery for remote controller 2200MAH8C3S in extra.