Digitus DS-55520. Type: AV transmitter & receiver, Maximum resolution: 3840 x 2160 pixels, Cable types supported: Cat5e, Cat6, Cat7, Cat8. Connectivity technology: Wired, Serial interface type: RS-232. Operating voltage (transmitter): 24 V, Operating voltage (receiver): 24 V, Power consumption (transmitter) (max): 20 W. Receiver dimensions (WxDxH): 4.53 x 2.56 x 0.669″ (115 x 65 x 17 mm), Receiver weight: 7.05 oz (200 g), Transmitter dimensions (WxDxH): 4.53 x 2.56 x 0.669″ (115 x 65 x 17 mm). Quantity per pack: 2 pc(s), Package width: 8.46″ (215 mm), Package depth: 6.1″ (155 mm)