Specification:
Max External Card Supported: TF 64G (not included)
Class Rating Requirements: Class 10 or Above
Screen size: 2.0inch
Screen type: LCD
Charge way: USB charge by PC
Working Time: About 90 minutes at 1080P 30fps
Battery Type: Removable
Capacity (mAh): 900mAh
Camera Pixel : 16.0MP
Image Sensor: OV4689 16.0MP HD image sensor
ISO: Auto
Decode Format: H.264
Video format: MOV
Video Resolution: 1080P (1920 x 1080),720P (1280 x 720),1269P (2304 x 1296),4K (3840 x 2160)
Video System: PAL,NTSC
Video Frame Rate: 120fps,15fps,30FPS,60FPS
Video Output : AV-Out,HDMI
Image Format : JPEG
Image resolution: 12M (4032 x 3024),8M (3264 x 2448),5M (2592 x 1944),2M (1920 x 1080),16M (4608 x 3456)
Audio System: Built-in microphone/speacker (AAC)
Exposure Compensation: -2,-1,0,+1,+2,-3,+3
White Balance Mode: Incandescent,Auto,Fluorescent,Cloudy,Daylight
Scene: Auto
Delay Shutdown : Yes
HDMI Output: Yes
Interface Type: Micro USB,TF Card Slot,Micro HDMI
Language: Simplified Chinese,Traditional Chinese,English,French,Spanish,Russian,German,Italian,Polski,Japanese,Korean
Loop-cycle Recording : Yes
Time Stamp: Yes
USB Function: PC-Camera

Waterproof: Yes
Waterproof Rating : 30m underwater with waterproof case
WIFI: Yes
WiFi Distance : 10m
WiFi Function: Image Transmission,Settings,Sync and Sharing Albums,Remote Control
Product size (L x W x H): 5.90 x 2.90 x 4.10 cm / 2.32 x 1.14 x 1.61 inches

Package Included:
1 x 4K Action Camera
1 x Waterproof Case + Base Mount + Long Screw
1 x 900mAh Li-ion Battery
1 x Quick Release J-Shaped Base Mount
1 x Housing Backdoor with Holes
1 x Bike Handlebar Seatpost Pole Mount
1 x Curved Adhesive Mount
1 x Flat Adhesive Mount
2 x 3M Adhesive Tape
2 x Short Connector with Short Screw
1 x Long Connector with Short Screw
1 x Universal 1/4 inch Camera Tripod Mount
1 x Tripod Mount Adapter
1 x Backpack Clip
1 x Backpack Clip Mount Shell
1 x Cleaning Cloth
2 x Velcro Strap
2 x Buckle Strap
1 x USB Cable 
4 x Nylon Cable Tie
1 x Metal Cable Tie
1 x User Manual