Hikvision Digital Video Recorder 8 Channel DVR 4K 8MP 5MP 4MP 2MP DS-7208HUHI-K2

Stream Type: Video/Video&Audio. Dual Stream: Support. Two-way Audio: 1-ch, RCA (2.0 Vp-p, 1 KΩ), (using the 1st channel of audio input). Audio Input: 8-ch. Two-way Audio: 1-ch, RCA (2.0 Vp-p, 1 kΩ) (using the audio input).

eBay