Optics
Image Sensor	Low-light image sensor
Lens	Ultra-sharp 6-element aspherical glass lens
Focal Length	Not specified by manufacturer
Aperture	Fixed f/2.8 aperture

Recording
Video System	NTSC  PAL
Recording Media	MicroSD card slot x 1 (Class 10 memory card required)  MicroSD card slot supports up to 64GB cards
Video Format	Format: MP4  Codec: H.264
Supported Video Resolutions	4K (16:9): 3840 x 2160p at 15 fps  4K (16:9): 3840 x 2160p at 12.5 fps  4K (17:9): 4096 x 2160p at 12 fps  2.7K (16:9): 2704 x 1524p at 30 fps  2.7K (16:9): 2704 x 1524p at 25 fps  2.7K (17:9): 2704 x 1440p at 24 fps  1440p (4:3): 1920 x 1440p at 48 fps  1440p (4:3): 1920 x 1440p at 30 fps  1440p (4:3): 1920 x 1440p at 25 fps  1440p (4:3): 1920 x 1440p at 24 fps  Full HD (16:9): 1920 x 1080p at 60 fps  Full HD (16:9): 1920 x 1080p at 50 fps  Full HD (16:9): 1920 x 1080p at 48 fps  Full HD (16:9): 1920 x 1080p at 30 fps  Full HD (16:9): 1920 x 1080p at 25 fps  Full HD (16:9): 1920 x 1080p at 24 fps  Full HD SuperView Mode (16:9): 1920 x 1080p at 48 fps  Full HD SuperView Mode (16:9): 1920 x 1080p at 30 fps  Full HD SuperView Mode (16:9): 1920 x 1080p at 25 fps  Full HD SuperView Mode (16:9): 1920 x 1080p at 24 fps  HD (4:3): 1280 x 960p at 100 fps  HD (4:3): 1280 x 960p at 60 fps  HD (4:3): 1280 x 960p at 50 fps  HD (4:3): 1280 x 960p at 48 fps  HD (16:9): 1280 x 720p at 120 fps  HD (16:9): 1280 x 720p at 100 fps  HD (16:9): 1280 x 720p at 60 fps  HD (16:9): 1280 x 720p at 50 fps  HD SuperView Mode (16:9): 1280 x 720p at 100 fps  HD SuperView Mode (16:9): 1280 x 720p at 60 fps  HD SuperView Mode (16:9): 1280 x 720p at 50 fps  HD SuperView Mode (16:9): 1280 x 720p at 48 fps  WVGA (16:9): 848 x 480p at 240 fps
Auto Low Light Mode (Bright)	1440p at 48 fps  1080p at 60 fps  1080p at 50 fps  1080p at 48 fps  1080p SuperView at 48 fps  960p at 60 fps  960p at 50 fps  960p at 48 fps  720p at 60 fps  720p at 50 fps  720p SuperView at 60 fps  720p SuperView at 50 fps  720p SuperView at 48 fps
Auto Low Light Mode (Low-Light)	1440p at 24 fps  1080p at 30 fps  1080p at 25 fps  1080p at 24 fps  1080p SuperView at 24 fps  960p at 30 fps  960p at 25 fps  960p at 24 fps  720p at 30 fps  720p at 25 fps  720p SuperView at 30 fps  720p SuperView at 25 fps  720p SuperView at 24 fps
Photo Resolution	12MP (4000 x 3000)  7MP (3000 x 2250)  5MP (2560 x 1920)
Burst Mode	30 photos per 1 sec  30 photos per 2 sec  30 photos per 3 sec  10 photos per 1 sec  10 photos per 2 sec  5 photos per 1 sec  3 photos per 1 sec
Continuous Shooting	3 photos per 1 sec (up to 30 sec)  5 photos per 1 sec (up to 30 sec)  10 photos per 1 sec (up to 30 sec)
Interval Recording	0.5 sec  1 sec  2 sec  5 sec  10 sec  30 sec  60 sec
Simultaneous Video and Photo	1440p (24 fps) video and 12MP photos (5/10/30/60 sec intervals)  1080p (30/25/24 fps) video and 7MP photos (5/10/30/60 sec intervals)  720p (60/50 fps) video and 5MP photos (5/10/30/60 sec intervals)
Audio Recording	Mono, 48 kHz, AAC compression with AGC (automatic gain control)  Increased audio range by approx. 10 dB compared to HERO3: Black Edition  Handles approx. 2x greater volume without distortion compared to HERO3: Black Edition  Supports 3.5 mm stereo microphone via optional adapter (sold separately)

Connectivity
Wireless Connectivity	Built-in Wi-Fi
Interfaces	Mini-USB port x 1 (supports charging, connecting to a computer, connecting 3.5 mm stereo microphone via optional adapter and playback to composite TV via optional cable  Micro-HDMI x 1 (supports playback to HDTV via optional cable)
Playback	HDTV: Micro-HDMI to HDMI cable required (sold separately)  TV: Mini-USB to composite cable required (sold separately)  LCD Touch BacPac (sold separately): Attach to camera for photo/video preview and playback  GoPro App (free): Use smartphone/tablet for photo/video preview and playback  Computer: Connect via mini-USB to USB cable (included), or copy files from microSD card to computer

General
Built-In Speakers	No
Built-In Microphone	Yes (mono microphone)
Housing	Waterproof to 131' (40 m)
Battery Type	Rechargeable lithium-ion battery (rated at 1180 mAh, 3.7 V, 4366 mWh)
Battery Life	4K at 15 fps: 2:00 (with Wi-Fi off)  4K at 15 fps: 1:50 (with Wi-Fi on + using Wi-Fi Remote)  4K at 15 fps: 1:20 (with Wi-Fi on + using GoPro App)  4K at 15 fps: 1:25 (with Wi-Fi off + using LCD Touch BacPac)  2.7K at 30 fps: 1:40 (with Wi-Fi off)  2.7K at 30 fps: 1:35 (with Wi-Fi on + using Wi-Fi Remote)  2.7K at 30 fps: 1:10 (with Wi-Fi on + using GoPro App)  2.7K at 30 fps: 1:15 (with Wi-Fi off + using LCD Touch BacPac)  1440p at 48 fps: 1:50 (with Wi-Fi off)  1440p at 48 fps: 1:40 (with Wi-Fi on + using Wi-Fi Remote)  1440p at 48 fps: 1:10 (with Wi-Fi on + using GoPro App)  1440p at 48 fps: 1:20 (with Wi-Fi off + using LCD Touch BacPac)  1080p at 60 fps: 1:30 (with Wi-Fi off)  1080p at 60 fps: 1:20 (with Wi-Fi on + using Wi-Fi Remote)  1080p at 60 fps: 1:00 (with Wi-Fi on + using GoPro App)  1080p at 60 fps: 1:10 (with Wi-Fi off + using LCD Touch BacPac)  1080p at 30 fps: 2:00 (with Wi-Fi off)  1080p at 30 fps: 1:50 (with Wi-Fi on + using Wi-Fi Remote)  1080p at 30 fps: 1:20 (with Wi-Fi on + using GoPro App)  1080p at 30 fps: 1:25 (with Wi-Fi off + using LCD Touch BacPac)  720p at 120 fps: 1:55 (with Wi-Fi off)  720p at 120 fps: 1:45 (with Wi-Fi on + using Wi-Fi Remote)  720p at 120 fps: 1:15 (with Wi-Fi on + using GoPro App)  720p at 120 fps: 1:20 (with Wi-Fi off + using LCD Touch BacPac)
System Requirements	Mac OS X 10.5 and later / Microsoft Windows Vista, 7 and later  2nd generation Intel Core-based processor or AMD equivalent (3rd generation Intel Core-i7 recommended)  2GB RAM (4GB or greater recommended)  Graphics processor comparable to an Intel HD Graphics 3000, NVIDIA GeForce 600 Series, AMD Radeon HD6000 Series or better
Dimensions (WxHxD)
Weight	2.6 oz (74 g) camera only  4.8 oz (136 g) camera with housing