StarTech.com 4K HDMI over IP Receiver for ST12MHDLAN4K. Type: AV receiver, Maximum resolution: 3840 x 2160 pixels, Cable types supported: Cat5e. Connectivity technology: Wired, Audio input: 3.5mm, Audio output: 3.5mm. AC input voltage: 100 - 240 V, Operating voltage: 12 V, Input current: 0.6 A. Width: 117 mm, Depth: 131 mm, Height: 30 mm. Package width: 210 mm, Package depth: 295 mm, Package height: 65 mm