ZMODO ZP-IBH13-P 720P HD H.264 PoE IP Infrared Weatherproof Camera with QR Code Smartphone Setup - Zviewer Windows User Manual - Manual (Page 29)

【 DHCP】Start the DHCP function of the route, then IP camera will
obtain address automatically from the router.
【 IP Address】Set the IP address of IP camera device.
【 Subnet mask】Default is 255.255.255.0 (Suggest user not to
change this)
【 Gateway】Set gateway IP of IPC, for example if IPC access public
network through router, the gateway IP need to be set as the
router IP which has accessed the public network.
【 DNS address】if to use DDNS function, the DNS address need to
be set as DNS address of the place where the device is belonging
to.
Wireless Lan Settings：
【 Whether to use WIFI 】 Select this to start the IPC wireless
network function.
【 Whether to use DHCP 】 If the route enables DHCP function,
select it and the IP camera will obtain address automatically from
router.
【 IP Address】Set wireless IP address of IP camera device.
【 Gateway】Set the IP address of the current wireless gateway
(Route/AP), such as 192.168.1.1.