Hikvision 16CH 16POE DS-7616NI-Q2/16P NVR Color Speaker Turret 4K IP Camera Lot
Can pluy & play with Hikvision NVR. NVR is 100% original hikvision NVR. The 2-way Audio function: when connect with hikvision NVR, only have 1-way audio for microphone function, speaker function can't use.