Udirc 3ch Metel U15W with Gyro Wifi Iphone Controlled Helicopter Test report: LED,FCC,EMC,EN62115,RTTE, ... EN71,ROHS,ASTM,6P Udirc 3ch Metel U15W with Gyro Wifi Iphone Controlled Helicopter Specifications: descWIFI no real-time transmission remote ... 3.7V(580MAH)- Function : fly up and down, forward, backward, turn right and left, light,stable hovering and speed up function - Battery: 3 ...