HIKVISION DS-6904UDI

Input HDMI, DVI-I Input Resolution 4K: 3840 × 2160@30 Hz (only for HDMI), 1080p: 1920 × 1080@50/60 Hz, 720p: 1280 × 720@50 Hz/60 Hz Output HDMI × 4, BNC × 2 Output Resolution HDMI: 4K: 3840 × 2160@30 Hz ( only for odd interface), 1080p: 1920 × 1080@50/60 Hz, 720p: 1280 × 720@50 Hz/60 Hz BNC: PAL: 704 × 576, NTSC: 704 × 480 Decoding Decoding Resolution Up to 24MP (only for 3 encoder tracks mode) Decoding Channel 72-ch Decoding Capability 24MP@30fps: 2-ch, 12MP@20fps: 4-ch, 8MP@30fps: 8-ch, 5MP@30fps: 12-ch, 3MP@30fps: 20-ch, 1080p: 36-ch, 720p: 72-ch Split Screen 1/2/4/6/8/9/12/16/25/36 Interface Network Interface RJ45 interface × 1, 10/100/1000 Mbps adaptive Optic interface × 1, 100 base-FX/1000 base-X An RJ45 interface and an optic interface form a combo. Serial Interface RS-232 (RJ45) × 1, RS-485 × 1 Two-way Audio Out N/A Two-way Audio In N/A Alarm In N/A Audio Output 4 Alarm Out N/A General Power Supply 100 to 240 VAC Power Consumption ≤ 70 W Dimensions(W × D × H) 440 mm × 320.8 mm × 44.5 mm (17.32 inch × 12.63 inch × 1.75 inch) Working Temperature -10 °C to 55 °C (14 °F to 131 °F) Working Humidity 10% to 90% Weight ≤ 5.2 kg (11.46 lb)