Puluz CX-10 4 Channel 2.4GHz 6-Axis Gyro Mini Quadcopter RC Helicopter with Transmitter Suit for Over Age 14 (Green) Three speed adjust, low voltage warning, with LED light forward, backward, ascend, descend, turn left, turn right, 360 rotation Two Fly Mode: Indoor / Outdoor Product size: 4cm x 4cm x 2.2cm Controlling distance: About 20 Meters