HeliMax Voltage 500 3D Aerobatic Quadcopter FEATURES: Motors: Four 1400Kv reversible brushless Propellers: 8.9 (226mm) propellers together with the motors provide needed power for aggressive 3D INCLUDES: 100% assembled Voltage 500 3D Quadcopter 3-Axis Gyro and Accelerometers Eight 3D Propellers Four 1400Kv Brushless Motors REQUIRES: Radio: 5+ channel transmitter and receiver Battery: 3-4S LiPo battery Charger: Compatible with selected battery LiPo charging bag an