Hikvision 64ch NVR 320mbps Ultra Series Smoke Alarms It has 6 different frequency

It has 6 different frequency channel pairings and AFA (automatic frequency adaptation) option for automatically searching for the best radio channel for each situation

Contact rating: 2A @ 12Vdc

timer & sensitivityInstallation height 1

Suitable for single or double doors

Hikvision 64ch NVR 320mbps Ultra Series Smoke Alarms It has 6 different frequency64 ch 2U 4K NVR Up to 64 ch IP camera inputs Up to 2 ch@32 MP 2 ch@24 MP 4 ch@12 MP 8 ch@8 MP 16 ch@4 MP 32 ch@1080p decoding capacity Up to 400 Mbps incoming bandwidth and 400 Mbps outgoing bandwidth 2 HDMI (different source) and 2 VGA (different source) interfaces, 8K or dual 4K video outputs Supports special cameras, including people counting camera, ANPR (automatic number plate recognition) camera, and fisheye camera Advanced streaming technology