Cheaper and hot sell SD card HD CCTV dome camera with 1.0 Megapixel resolution Product features: CPU ARM932-bit Micoroprocessor core Encoding MPEG-4/3GP/AVI Signal system Digital signal Resolution VGA: 640*480/ CIF: 352*288 S/N ratio 48dB White balance/BLC: Auto Lens 3.6mm-8mm HD camera 0.3 mega high resolution, 1/4 CCD image sensor TF Card 2G-32G Video duration 4G/24 hours Power DC5V/1A, 5W Sound recording -38dB high-fidelity recording Mini illumination 0.1lux/f1.2 IR distance 40M