... stable,anti-shock 2.Omnibearing flying direction 3. intelligent control system 4.operation safe 3 channel wireless rc helicopter FLY R832 1. Function: up&down ... , go forward&backward, turn right&left, with Lights and Gyro; 2. Battery: 3 ... .5(CM)CTN :49*36*72(CM)QTY/CTN: 24PCS 3 channel wireless rc helicopter