Funsky RH821 Mini Altitude Hold Headless Mode Spin Flight 2 4G RC Drone Quadcopter RTFDescription Brand Name FunskyItem NO RH821Color Yellow Blue Optional Gyro 6 axisFrequency 2 4GChannel 4CHQuadcopter Battery 3 7V 300mAh LiPo Battery Included Flying Time 5 6 minutesCharging Time 80 100 minutesTransmitter Mode Mode 2 Left Hand Throttle Transmitter Power 3 x 1 5V AAA Battery NOT Included R C Distance About 50 metersQuadcopter Size 8 6x8 6x3 5cmPackage Size 20 5x12x5 8cmPackage Weight About 190gFeatures With altitude hold mode function provides stable flight With Headless Mode no need to adjust the position of aircraft before flying One key to return function makes it easily to find the way home Large capacity battery 3 7V 300mah easy to plug in battery structure longer battery life up to 6mins easy installation USB high speed charging battery with protection board when fully charge automatic power off It have 3 level flight speed to switch that can make more fun with the flying 2 4GHz Technology Adopted for Anti Interference 4 Channel which can do ascend descend forward backward left sideward fly right sideward fly and rolling 360° 6 axis gyro which can have more stable flying and be easy to control The quadcopter fuselage is made of high strength and resistant engineering plastics lightweight and durable resistance Function Up down Forward backward Turn left right Sideward flight 3 level flight speed Altitude Hold Mode