This Bind and Fly Quadcopter is packed with features including Brushless power, GPS hold system, one key return home, altitude sensor, low voltage detection, FPV capability, optional Wifi control, and more! Motor Type: WK-WS-28-008A Brushless Outrunner. Shaft Length: . Age Rating: 14+ With Adult Supervision. Batteries: Required: 25C 3S 2200mAh 11.1v LiPO – Not Included. Charger: Required: 2-3 Cell LiPO Balance Charger – Not Included. Fuel Source: Electric. Length: 11.4in (290mm). Height: 7.1 in (180mm). Width/Diameter: 11.4 in (290mm).