The Arlo Video Doorbell 2K (2nd Generation), model AVD4001-100NAS, is a smart Wi-Fi video doorbell offering crisp 2K HDR video with a head-to-toe 180-degree field of view at up to 1944x1944 resolution. It can be powered either by its built-in 4730mAh rechargeable battery or hardwired to an existing doorbell system, giving homeowners flexible installation options.

Key features include two-way audio for real-time communication with visitors, color night vision, an integrated siren for deterrence, and weather resistance for year-round outdoor use. The doorbell supports intelligent detection including package detection, person recognition, and vehicle recognition. It operates in temperatures ranging from -4°F to 113°F. A 1-month Arlo Secure subscription plan is included, providing cloud video history and advanced AI alerts.