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Every DJI Refurbished aircraft is thoroughly tested by DJI Experts and includes DJI standard warranty.
There are no better experts in DJI products than those at DJI. Every refurbished product has undergone a professional refurbishing process that brings it up to the same high standards as brand new products, and all refurbished products come with new parts, new packaging and DJI's standard Manufacturer Warranty.
Q1. WHAT ARE DJI REFURBISHED PRODUCTS？
The products sent back by customers within seven days after he/she confirms receipt will be strictly examined, refurbished and repackaged, and sold as DJI refurbished products. Currently offered DJI refurbished products include the Phantom 3 Standard/Advanced/Professional and Phantom 4.
Q2. ARE DJI REFURBISHED PRODUCTS’ QUALITY GUARANTEED?
DJI promises you that every refurbished product is tested thoroughly, and that the quality and the appearance of refurbished products is the same as with new products.
Q3. WHAT KIND OF AFTER-SALE SERVICE ARE DJI REFURBISHED PRODUCTS ELIGIBLE FOR?
The after-sale service policy for DJI refurbished products is identical to that of new products. However, refurbished products can only be exchanged for refurbished products, not new products.
Q4. HOW DO I IDENTIFY REFURBISHED PRODUCTS?
The serial number of refurbished products will end with an "R".
Q5. WHAT IS INCLUDED IN THE PACKAGE?
Refurbished models include everything that is found in a new package. Remote Controller, Drone, Camera, Battery, Charger, Cables, Props, Manual and Box all included.
The Phantom 4 Pro from DJI
The Phantom 4 Pro boasts a 3-axis-stabilized gimbal camera with a 20MP, 1" CMOS sensor capable of shooting up to 4K/60fps video and well as photo bursts at up to 14 fps. The hull has been updated from the previous Phantom 4, now featuring magnesium alloy construction for increased rigidity and reduced weight.
>> The FlightAutonomy system adds dual rear-vision sensors plus infrared sensing for a total of five directions of obstacle sensing and four directions of obstacle avoidance.
A 5.5in 1080p screen integrated with the Phantom 4 Pro Plus + offers 1000 cd/m2 of brightness, more than twice as bright as conventional smart devices. It makes bright, vivid colors easily visible in direct sunlight. With this screen, a mobile device is not required, simplifying pre-flight preparations. As the DJI GO app is built into the screen, hardware and software can be fully optimized, further reducing video lag. Integration of an HDMI port, Micro-SD card slot, microphone, embedded loudspeaker, and Wi-Fi connection allow images to be edited inside DJI GO to share almost instantly. Lastly, a five-hour battery life makes the Phantom 4 Pro + a complete aerial imaging solution.
An UpRated Camera is equipped with a 1-inch 20-megapixel sensor capable of shooting 4K/60fps video and Burst Mode stills at 14 fps. The adoption of titanium alloy and magnesium alloy construction increases the rigidity of the airframe and reduces weight, making the Phantom 4 Pro similar in weight to the Phantom 4. The FlightAutonomy system adds dual rear vision sensors and infrared sensing systems for a total of five-directions of obstacle sensing and four-directions of obstacle avoidance.
The onboard camera has been redesigned to use a 1-inch 20-megapixel CMOS sensor. A custom engineered lens made up of eight elements is arranged in seven groups, it is the first DJI camera to use a mechanical aperture that eliminates rolling shutter distortion that can occur when taking images of fast moving subjects or when flying at high speed and a mechanical focus. In effect, it is as powerful as many traditional ground cameras. More powerful video processing supports H.264 4K videos at 60fps or H.265 4K at 30fps, both with a 100Mbps bitrate. Advanced sensors and processors ensure everything is captured with more image detail and the image data needed for advanced post-production.
FlightAutonomy is expanded with an additional set of high-resolution stereo vision sensors placed at the rear in addition to the pair placed at the front as well as infrared sensing systems placed on the left and right sides. This network creates a total of five-directions of obstacle sensing and four-directions of obstacle avoidance, protecting the Phantom 4 Pro from more obstacles and giving filmmakers the confidence to capture more complex images.
The Phantom 4 Pro controller integrates an upgraded Lightbridge HD video transmission system that adds 5.8 GHz transmission support. The ability to choose between 2.4Ghz and 5.8Ghz allows pilots to cut through interference and eliminates image lag caused when flying in an area with extensive 2.4Ghz frequency use.
>> Normally, Wi-Fi video transmission systems use a 2.4GHz frequency to work with a controller using a 5.8GHz frequency as this prevents interference that can occur when both use the same frequency. To perform normally, the video transmission system and the controller will interfere with each other causing image lag, especially if both use the same frequency. The use of two different frequencies has drawbacks in terms of flight performance. For example, flight performance will be affected when either of the two frequencies suffer interference. <<
The Lightbridge HD video transmission system used in the Phantom 4 Pro uses TDM (Time Division Multiplexing) to transmit signals, allowing it to send controller signals and receive video transmission signals at the same frequency. As the 2.4GHz frequency band is often affected by Wi-Fi, 4G cell towers, and other types of interference in urban areas, a 5.8Ghz band will increase transmission reliability. When switched on, the Phantom 4 Pro evaluates local signal levels, automatically choosing the transmission frequency with the lowest level of interference. This ensures the optimum range of a maximum video transmission of 4.3mi (7km)*
A 5.5in 1080p screen integrated with the Phantom 4 Pro+ offers 1000 cd/m2 of brightness, more than twice as bright as conventional smart devices. It makes bright, vivid colors easily visible in direct sunlight. With this screen, a mobile device is not required, simplifying pre-flight preparations. As the DJI GO app is built into the screen, hardware and software can be fully optimized, further reducing video lag. Integration of an HDMI port, Micro-SD card slot, microphone, embedded loudspeaker, and Wi-Fi connection allow images to be edited inside DJI GO to be shared almost instantly. Lastly, a five-hour battery life makes the Phantom 4 Pro + a complete aerial imaging solution.
*Unobstructed, free of interference, when FCC compliant.