91.99USD with coupon code: GBSJM20
Main Features:
Original SJCAM M20 2160P action camera
16 MP IMX206 sensor
Novatek 96660 chip
G-sensor
Motion detection
166 degree adjustable FOV for wide, normal and narrow
Built-in gyrometer, anti-shake
Feature micro HDMI and micro USB as well as WiFi
1.5 inch live view LCD display
Video resolution: 4K 24fps, 2K 30fps, 1080P 60fps / 30fps, 720P 120fps / 60fps / 30fps, VGA 240fps
Image resolution: 16M (4608 x 3456), 12M (4032 x 3024), 10M (3648 x 2736), 8M (3264 x 2448), 5M (2592 x 1944), 3M (2048 x 1536), 2MHD, VGA (640 x 480), 1.3M (1280 x 960)
Battery: 3.8V 900mAh
Charging time: 3 hours
Working time: 65min (WiFi on) / 75min (WiFi off)
M20 is a 2.5K action camera. 4K is supported via Interpolation.

Note:
When APP connected with smartphone, video resolution includes 2K 30fps, 1080P 60fps / 30fps, 720P 120fps / 60fps / 30fps; photo resolution not includes 16M
There are two versions of waterproof housing, and will be deliveried at random

Brand: SJCAM
Chipset: Novatek 96660
Chipset Name: Novatek
Features: Wireless
Function: Loop-cycle Recording,Remote Control,WDR
Model: M20
Type: Sports Camera
Type of Camera: 2160P

Class Rating Requirements: Class 10 or Above
Max External Card Supported: TF 128G (not included)

Screen resolution: 320x240
Screen size: 1.5inch
Screen type: LCD

Battery Type: Removable
Capacity: 900mAh
Charge way: USB charge by PC
Power Supply: 5V 1A
Working Time: 65min (WiFi on) / 75min (WiFi off)

ISO: Auto,ISO100,ISO1600,ISO200,ISO400,ISO800
Wide Angle: 166 degree wide angle lens

Decode Format: H.264
Exposure Compensation: +1,+1/3,+2,+4/3,+5/3,-1,-1/3,-2,-2/3,-4/3,-5/3,0,2/3
Video format: MOV,MP4
Video Output: HDMI
Video Resolution: 1080P (1920 x 1080),2K(2560 x 1440)30fps,4K (2880 x 2160),720P (1280 x 720),VGA (640 x 480)
Video System: NTSC,PAL
White Balance Mode: Auto,Cloudy,Daylight,Fluorescent,Tungsten

Interface Type: Micro HDMI,Micro USB,TF Card Slot
Language: Cesky,Danish,Deutsch,English,French,Hungarian,Italian,Japanese,Korean,Polski,Portuguese,Russian,Simplified Chinese,Slovak,Spanish,Traditional Chinese,Turkish
Loop-cycle Recording : Yes
Loop-cycle Recording Time: 10min,3min,5min,OFF
WDR: Yes
WIFI: Yes

Frequency: 50Hz,60Hz

Package size (L x W x H): 27.00 x 14.90 x 8.30 cm / 10.63 x 5.87 x 3.27 inches
Package weight: 0.686 kg
Product size (L x W x H): 5.40 x 4.00 x 2.90 cm / 2.13 x 1.57 x 1.14 inches
Product weight: 0.634 kg

Package Contents: 1 x Original SJCAM M20 2160P Action Camera + Waterproof Case + Base Mount + Long Screw, 1 x Quick Release Buckle + Screw, 2 x Curved Adhesive Mount, 2 x Flat Adhesive Mount, 1 x Short Connector + Short Screw, 1 x Short Connector, 1 x Long Connector + Long Screw, 1 x Backpack Clip Mount Shell, 1 x USB Cable (0.9m Length), 1 x Cleaning Cloth, 2 x SJCAM Sticker, 1 x User Manual (English / German / Russian / Traditional Chinese)