1) Main Functions: taking photo, recording video and audio, webcam, taking audio alone,IR night vision ,waterproof ,USB drive, watch,   size :53mm*52mm*16.5mm

2) Internal memory:   2GB/4GB/8GB ,MAX32GB.

3) Video : AVI format, 1920*1080 resolution, 30fps

4) Photo : JPEG format, 4032*3024 resolution

5) Audio:  WAV                                                                                
6) Battery type : Lithium-ion, 300mA

7) Battery recording time : about 2 hours

8) USB: 2.0 (Hs)

9)Watch strap: stainless steel & leather strap                
10) Used for out door recording,take evidence,investigation, water proof watch,video entertainment etc