Highlights: Digital video recording function Digital camera function Digital Voice recorder function Its PC camera functions offer easy enjoyment of network life Inter Memory:16GB Builtin MIC: Yes Video file format: AVI Video file resolution: 1920*1080p Video frame: 30 fps Photo format:4032*3024 JPEG Audio: 16bit Mono 8.000 kHz@128kbps Video: 1.84G=20Miniutes Photo: About 1.0M-1.5M/pcs Audio: 30miniutes about 28M Angel:90 degree Night Vision 3ATM Waterproof Battery capacity 380mah for supporting the work time up to 1.5 hours Power supply: Built in Li-battery (Recharge by USB or Charger) USB interface: USB1.1 / 2.0 Operating system: Win 2000/xp/vista 32, Win 7, Mac OS,Linux, Web-Camera: Web Camera for online video chat Most popular, making this the first and only LEGAL surveillance spy watch in the market today.