Main features:
4K Wi-Fi sports HD DV 16M CMOS FPV action camera
Novatek 96660 chipset
Adopting 12MP CMOS IMX078 image sensor
Support USB/AV out
Video resolution: 4K at 24FPS, 2.5K at 30FPS, 1080P at 60FPS/ 30FPS, 720p at 120FPS, VGA at 30FPS
Time-lapse video at 0.5/1/3/5/10 second intervals
Cycle recording, cutting video into 5-minute segments
Automatically start recording when connected to external power source via USB
Burst photo capturing 11 photos in 1 second
ISO adjustment, sharpness adjustment and color adjustment
Time stamping allowing you to stamp the time on the photos or videos
With gyro image stabilization function
Built-in Wi-Fi allowing you to connect to the smartphone/tablet via the firefly app (4K and 2.5K are not supported)
3 options for angle adjustment: large/medium
Supports TF card up to 64GB (not included in the packing)
You can not select 16m photo resolution while linking to app

Firmware update to V2.3:
1. Format TF card to FAT-32/32K first
2. Download the firmware to TF card
3. Put the TF card into camera (make sure battery above 50 percent)
4. Power on camera and it will update firmware automatically
5. When updating, the LED will flash
6. When update finish, the machine will reboot automatically
7. Delete the firmware file in the TF card

About firmware version 2.2:
1. Improve Gyro image stabilization function further (that will be better)
2. Improve WDR
3. When there are no external USB power plug in, no operation for 2 minutes, it will auto power off for saving battery power

About firmware version 2.1:
1. Improve Gyro image stabilization function

About firmware version 2.1:
1. Fix fisheye correction problem
2. Fix HDMI output format when turn on Wi-Fi
3. VIVI color saturation decrease 10 percent
4. Sharpness adjustment: high is 10 percent higher than middle
5. Wi-Fi: When mobiles connect Wi-Fi, also can use 4G network (iOS only)

Note: supports 4K or 2.5K video recording when use app to operate
Please download and install the latest version of Firefly app on your smartphone/tablet, or scan the QR code below in the picture

Packing contents: 1 x 4K Wi-Fi sports HD DV camera, 1 x waterproof case, 1 x 1600mAh battery, 1 x lens cover, 1 x J-shaped mount, 1 x long connector + screw, 2 x short connector + screw, 1 x bike handlebar seat post pole mount, 1 x 360 degrees rotation adapter, 2 x 3m mount, 2 x 3m adhesive, 1 x metal cable tie, 4 x plastic cable tie, 1 x cleaning cloth, 1 x clip, 1 x clip case, 1 x English/Chinese manual