DJI Phantom 4 Advanced drone is equipped with a 1-inch 20-megapixel sensor capable to shoot 4K/60fps video, so you can capture the stunning environment around you. It includes 5 vision sensors for 2-directional obstacle sensing and forward-vision obstacle avoidance to let it freely fly mountains and trees. High-speed snapping The 1-inch 20MP camera has a mechanical shutter that works to eliminate rolling shutter distortion, which can happen when taking images of fast-moving subjects or when flying at high speeds. 5 vision sensors The FlightAutonomy system is made up of 5 vision sensors, dual-band satellite positioning (GPS and GLONASS), ultrasonic rangefinders and redundant sensors to let the Phantom 4 Advanced drone hover precisely in place without GPS and navigate complex environments. The dual forward vision sensors can see as far as 30 meters out in front, enable auto brake and hover or detour in front of obstacles within a 15-meter range. Key features: Max ascent speed: S-mode 6m/s, P-mode 5m/s Max descent speed: S-mode 4m/s, P-mode 3m/s Max speed: S-mode 45mph, A-mode 36mph, P-mode 31mph Max service ceiling above sea level: 19685 feet (6000m) Recommended devices: iOS:iPhone 5s, iPhone SE, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPad Air, iPad Air Wi-Fi + Cellular, iPad mini 2, iPad mini 2 Wi-Fi + Cellular, iPad Air 2, iPad Air 2 Wi-Fi + Cellular, iPad mini 3, iPad mini 3 Wi-Fi + Cellular, iPad mini 4 and iPad mini 4 Wi-Fi + Cellular. This app is optimized for iPhone 7, iPhone 7 Plus Android:Samsung S7 edge, Samsung S7, Samsung S6, Samsung S5, Samsung NOTE4, Samsung NOTE3, Samsung tabs 705c, Ascend Mate 9, Ascend Mate 7, Huawei Honor 8, Huawei P8 Max, Vivo X7, Xiaomi 5, MI 3, Google Nexus 6p, Nexus 9, Google Nexus 7 II, LG V20, Sony Xperia Z3, Smartisan T1 Please note: You'll need a CAA/IAA permit to fly this drone up to 4.3 miles (7km) away. If you do not have a permit, then you can only fly it below 120m and within your line of sight. Please click the links below and make yourself more familiar with the rules on flying unmanned aircrafts in the UK before you purchase this product. The CAA (UK) , The IAA (ROI) and The Drone Code