POEPower 4 Port 802.3bt POE++ Extreme Power Gigabit POE Switch, Full 90 Watts on Each Port, 380 Total Watts Budget, 2 Additional Ethernet Uplinks, 10/100/1000 hidden_button This drops the POE ports

This drops the POE ports to 10Mbps speeds which is usually fast enough for all IP Cameras

Converts incoming POE to a selectable DC Voltage Output of either 12V DC or 24V DC

and an audio input jack (used only with VGA)

Let's say you are installing 2 cameras on each side of a corner

In other words

POEPower 4 Port 802.3bt POE++ Extreme Power Gigabit POE Switch, Full 90 Watts on Each Port, 380 Total Watts Budget, 2 Additional Ethernet Uplinks, 10/100/1000 hidden_button This drops the POE portsUNPARALLELED POWER DELIVERY: One of the most powerful, pound for pound 4 Port POE Switches on the market. Harness the exceptional capacity of a full 90 watts of 802. 3bt POE power on each and every port due to the outstanding total budget of 380 watts, adept for powering diverse devices, from POE lighting, PTZ cameras, Access Control, and AV over IP devices, ensuring steadfast performance in the most power hungry setups. GIGABIT SPEEDS & ENHANCED