Features: 1. Three-sided obstacle avoidance, flight safer. 2. With foldable arms, small size, easy to carry. 3. With altitude hold mode function provides stable flight. 4. With wifi function can be connected APP, APK system to take pictures, video, real-time transmission through the phone camera image. 5. With Headless Mode,no need to adjust the position of aircraft before flying . 6. With One key to return function makes it easily to find the way home. 7. 2.4GHz Technology Adopted for Anti-Interference. 8. 4 Channel which can do ascend, descend, forward, backward, left sideward fly, right sideward fly and rolling 360°. 9. 6-axis gyro which can have more stable flying and be easy to control. Product Name: S85 three-sided obstacle avoidance folding drone Model: S85 Colour: Black Operation mode: Remote controller/APP Frequency: 2.4GHz Gyroscope: 6Axis Channel: 4CH Charging method: Universal USB interface Battery capacity: 3.7V 1200mAH modular battery Flight time: about 10 minutes Charging time: 40 minutes Remote control distance: about 100 meters Camera mode: FPV Video resolution: 4K camera/4K dual camera Obstacle avoidance distance: 50cm/20in Maximum ascent speed: 3Km/h Working temperature: 0-40? Obstacle avoidance function: Normal specification function / one-key start obstacle avoidance function Note: Please read the instructions carefully before use. If you are a beginner, it is recommended to be assisted by an experienced adult. Package Included: 1 * Drone 1 * Remote control transmitter 3 * Body battery 1 * Tote bag 1 set * Spare Wind leaf 1 * USB cable 1 * Screwdriver 1 * Manual 1 * WIFI manual