They can be viewed from any smartphone, tablet or Laptop/Desktop.
Cameras can be bought with one, two, or three cameras depending on how many camera you need.
The package comes with all the connections such as power supply, screws and an Ethernet cable is provided. The cameras are wireless and work over WiFi but use an Ethernet connection for the base station.
After the camera are placed with-in three feet of the base station the Sync button is pushed. The Sync button is also press on the cameras. The LEDs will blink rapidly once they connect to the base station.
Since the camera are indoor or outdoor they can basically be placed anywhere within 300 feet of the base station. Although it will depend on obstructions how far they can transmit 150-200 feet is more realistic.
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(Renewed) Netgear Arlo Smart Security – 2 HD Camera Security System,Wire-Free, Indoor/Outdoor with Night Vision (VMS3230) (VMS3230