HD Multimedia Interface Matrix Switch 4 In 4 Out 4K 30Hz RS232 HD Multimedia Interface Matrix Splitter 100‑240V UK Plug Item Type: HD Multimedia Interface Matrix Switch Material: Metal Input Channel: HD Multimedia Interface x 4 Output Channel: HD Multimedia Interface Interface x 4 Rs232 Interface: Rs232 Interface x 1 Rs232 Serial Communication: Yes Resolution Format: 480p 720p 1080p, 4k 25hz, 4k 30hz Color Depth: 8 10 12bit HD Multimedia Interface Sound Output Format: LPCM2.0, DTS, for DOLBY AC3 ... HD Multimedia Interface Input Cable Length: 2160P AWG 26 ≤5m/16.4ft 1080P AWG 26 ≤10m/32.8ft HD Multimedia Interface Output Cable Length: 2160P AWG 26 ≤5m/16.4ft 1080P AWG 26 ≤10m/32.8ft HD Multimedia Interface Transmission Bandwidth: 25~340MHz HD Multimedia Interface Transmission Rate 0.75~10.2Gbps Remote Control Battery Type: CR2025 Button Battery (Not Included)