Hikvision 16 Channel 8MP NVR DS-7616NI-I2/16P 12MP PoE 16 Channel NVR With 2HDD Bays Hard Drive Options:2TB Surveillance Drive but you can also activate

but you can also activate the full security mode by simply pressing one button

*Battery: 2x AAA (included)

*Battery backup: CR2032 Lithium Battery (included)*

Jamming & Tamper-Resistant Anti Sabotage Features

and light in the configured period

Hikvision 16 Channel 8MP NVR DS-7616NI-I2/16P 12MP PoE 16 Channel NVR With 2HDD Bays Hard Drive Options:2TB Surveillance Drive but you can also activateHikvision DS 7616NI I2 16P 12MP PoE 16 Channel NVR With 2HDD Bays This NVR supports 16 PoE IP cameras with smart features such as Intrusion Detection, Line Crossing, 2 HDDs for continuous video recording and much more. Features Up to 16 channel IP cameras can be connected Up to 2 ch@12 MP 16 ch@1080p decoding capacity 1 HDMI and 1 VGA interfaces: both interfaces support independent video output 2 HDDs for continuous video recording Plug & Play with 16