Storage Options 4-Channel CCTV Kit, 4 Cam, 500GB. Video compression formats: H.264, Video capturing speed: 30 fps, Playback resolutions supported: 704 x 576 704 x 480. Maximum hard drive capacity: 500 GB, Hard drive capacity: 500 GB. Power requirements: 12 VDC, 2-5 A. Operating temperature range (T-T): -5 - 50 °C. Dimensions (WxDxH): 320 x 255 x 55 mm, Weight: 2 kg