Arlo Essential Wired video doorbell, It records in HD video resolution (1536 x 1536). It features a unique 180° vertical field of view with a 1:1 square aspect ratio, allowing you to see visitors from head to toe or check on packages left on the ground.Power Requirements: This is the hardwired version. It does not run on a standalone battery and must be connected to existing electrical doorbell wiring (typically requiring a 16V AC to 24V AC transformer).Connectivity: Connects directly to your home Wi-Fi network (2.4GHz) without requiring a separate smart hub, though it is compatible with an Arlo SmartHub if you already own one.Day & Night Use: Includes built-in night vision and infrared LEDs to monitor your front door clearly in absolute darkness.Smart Alerts: Built-in motion detection