Descriptions:

Ambarella A7LS Image Processor
16.0MP Sony Exmor R BSI CMOS image sensor,F2.8 aperture and with 155°wide angle
40m Waterproof Depth
40m waterproof sport DV, especially design for extreme sports’ shooting
Wireless Connection
Built-in WiFi and bluetooth 4.0 function, quick connection and real-time preview
HD Video Recording
Adopted H.264 video decoding, capture in 1080p 60fps, 960P/60,48 fps, 720P/120,60,48 fps
Super battery capacity
Equipped with 1010mAh detachable battery
Other features
The porous shell design protects from overheating; Supports max up to class10 64GB TF Card
Net weight: 72 g / 2.54 oz (with battery) 
Monopod hole diameter: about 7mm
Size: 61 x 22 x 42 mm / 2.4 x 0.87 x 1.65 inch

Specifications:

Image SensorAmbarella A7LS high-performance image processor
Sony Exmor R BSI CMOS image sensor
ST triaxial high-performance gravity sensor
Pixels16 Mega Pixels
LensAspheric surface FHD photology glass lens, F2.8 aperture, 155° wide angle
Waterproof40M water