Features: Foldable RC quadcopter aimed at beginners, which bears innovative flight technology and can fly at your will. It boasts many intelligent functions including altitude hold, G-sensor, headless mode, gesture photo/video and auto return. You can have an amazing RC experience with such perfect drone. Up/down, turn left/right, forward/backward, side-ward flight, headless mode, altitude hold, Wifi FPV, speed up, one key takeoff/landing/return, 3D flip, G-sensor, emergency stop, way-point fly. G-sensor and headless mode: you can change the direction of the drone by titling your phone. With the headless mode, there is no worry about the direction. Large Capacity Battery: The high-capacity 3.7V 2000mAh intelligent battery is up to 25mins flight time, which makes your flight more enjoyable. Altitude hold: with such intelligent function, your drone is able to hover stably and steadily, you can focus on shooting more beautiful photos. Easily control: One-key taking off/landing and headless mode makes the operation more convenient, it is very suitable for novice operation. Way-point Fly and 3D Flip: The drone can fly along the path you draw on the screen and make awesome 3D stunt, performing a exciting aerial show. Specifications: Item name: RC Quadcopter Built-in gyro: 6 Axis gyro Remote control: 2.4GHz Channel: 4 channels Remote control distance: 120-150m Camera WiFi transmission distance: 60-70m Transmitter power: 3 * AA battery (not include) Battery for quadcopter: 3.7V 2000mAh battery Maximum flying time: About 20 mins Charging time: About 120mins Color: black, white Type: without camera, 2MP, 5MP, 4K camera Size: 15*14*6cm(fold), 28*28cm(open) Package Includes: 1 x RC Quadcopter 1 x 3.7V 2000mAh Battery 1 x Remote Controller 2 x Spare Propeller 4 x Protective Ring 1 x USB Cable 1 x User Manual This product is packaged in a storage bag! Common Problem and The Solution: Q: What if it does not fly balance ? A: When the HJ28 is offset during flight, you can click on the Fine-tune button of reverse direction until the problem is solved. Q: What if the drone can’t take off ? A: Check the propeller to make sure it was installed correctly(diagonal propellers must be the same direction ) Q:Why does the drone keep flashing red light and cannot fly? A:The red light keeps flashing to indicate that the drone and the remote control are linking, please be patient. When the red light stops flashing and turns on, you can start flying. Q: What if the motor not spin? A: Check the motor to see if anything stuck the motor(hair, string, etc.). If not ,we can resend a new motor for you. Q:How many battery of this drone? A:It depends on the version you choose. If you choose the version like 2batteries,it includes one batteries separately and one battery in the drone.