EverFocus ECOR264-9X1R 500GB. Video compression formats: H.264, Video capturing speed: 270 fps, Playback resolutions supported: 800x600, 1280x1024. Hard drive capacity: 500 GB. Power requirements: 12VDC. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 20 - 80 %. Dimensions (WxDxH): 354.8 x 353 x 70.6 mm