1. Helicopter radio control 2. 3.5 channels radio control helicopter 3. Certificates available: En71, En62115, ASTM, R&TTE 1. Helicopter radio control2. 3.5 channels radio control helicopter (with gyro); 40 HZ3 ... , screwdriver, charger, 1 pcs each12. Certificates available: En71, En62115, ASTM, R&TTE.