Highlights stainless steel appearance, watch, water resistant. Compact and compact design draws much attention from buyers. Main Features Kernel microcomputer processor: ARM9 32-bit microprocessor core operation system: embedded system Video video encoding: MPEG-4 signal system: digital signal video resolution: VGA (640*480) lowest illumination: 0.1lux*/f1.2 s/n: 48dB Audio white balance all directional recording: automatic white balance -38dB high fidelity recording Characteristics Function video/photograph/MP3 mode Hi-Definition Camera 0.3 mega pixels, 1/6 CMOS Built-in Memory 4GB Card Slot TF   Battery & Power Power Supply DC5V/500mA Additional Features Data Interface 2.5mm plug System Requirements OS: microsoft win98/SE/ME/2000/XP/Vista/Win7 Others stainless steel appearance, watch, water resistant Product Details (without package) Weight 186g