Note Regarding the use of 4K memory cards because the E520S image transmission board uses an embedded linux system currently it only supports FAT32 format file systems with a capacity below 32G If it cannot be used usually the SD card is not formatted normally Solution 1 Select a suitable SD card It is recommended to use a Brand Card with U1 level or higher The maximum capacity is 32G 2 Use the Windows operating system to format the SD card DO NOT Select the Format Option Quick Format Embedded Linux system FAT32 format corresponds to W95 FAT32 3 If it still cannot be used it is recommended to use SDFormatterV4 0 tool to reformat Note If the customer chooses a SD card lower than U1 level it can be used if it is properly formatted as described above but there is a hidden danger of incomplete data writing when taking pictures or complex scenes of image transmission such as photo saving Incomplete video blurred etc Description Brand Name EachineItem NO E520SFrequency 2 4GChannel 4CHG yro 6 axisFlying Weight 248g with Battery Motor 8 23mm Brushed CorelessQuadcopter Battery 7 4V 1200mAh Lipo Included Transmitter Battery 4 x 1 5 AAA Battery NOT Included Flying Time 14 16minsCharging Time 120 150minsR C Distance 200 300mColor BlackCamera Optional 720P 2 4G WiFi 1080P 5G WiFi 1080P 2 4G WiFi 4K HD 5G WiFi 4K HDFOV 120 Wide AnglePixel 720P Picture Video 1280 7201080P Picture 1920 1088 Video 1280 720 S