24 Port/16 Port/8 Port Gigabit PoE Switch Style:8 Port + 2 Uplink Port you can connect the DVR

you can connect the DVR to the wifi and you need an extra wifi module

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Adjustable mounting bracket and 4m long power cable make installation easy anywhere and ensure maximum sunlight exposure

24 Port/16 Port/8 Port Gigabit PoE Switch Style:8 Port + 2 Uplink Port you can connect the DVRPower Over Ethernet, Plug And Play Compliant with IEEE 802. 3af at POE standard, this gigabit unmanaged PoE switch 4 port can automatically detect and identify PD devices that comply with the standard and supply them with power through the network cable. 250 Meters Extend Transmission Automatically detect the transmission distance and adjust the transmission rate, extend up to 250m(820ft) data and power PoE transmission range (Speed will drop to 10