We are a specialized manufacuturer of mini digital camera, and offer these products in competitive price and good quantity. Image sensor: 100k/300k pixels cmos sensor Internal memory: 1*16/4*16mb built-in sdram Modes: Digital video recording(no sound) Still photo Pc camera Resolution: 352*288(cif)/640*480(vga) 176*144(qcif)/320*240(qvga) File formats: 24-bit jpeg/avi Power control: Auto power off after 30 seconds without operation manual Power on&off Power source: 1*aaa alkaline battery/usb power Dimensions: 62*42*20(mm) Weight: 32g(absence battery)