There are two Arlo Essential Video Doorbells and two 2nd Generation Arlo Video Doorbells. The four Arlo Video Doorbells vary in video resolution, power, and connection.
Arlo Essential Video Doorbells:
- Arlo Essential Video Doorbell Wired (AVD1001)
- Arlo Essential Video Doorbell Wire-Free (AVD2001)
2nd Generation Video Doorbells:
- Arlo Video Doorbell HD (AVD3001)
- Arlo Video Doorbell 2K (AVD4001)
Arlo Video Doorbell HD and 2K (2nd Generation)

- Maximum Video Resolution: 1080p and 2K
- Power: Integrated rechargeable battery with optional hardwiring to exisiting doorbell wiring
- Connection: Direct to Wi-Fi
Arlo Essential Video Doorbell Wire-Free

- Maximum Video Resolution: 1536 x 1536
- Power: External rechargeable battery with optional hardwiring to existing doorbell wiring
- Connection: Direct to Wi-Fi or connect to an Arlo SmartHub or Arlo Base Station
Arlo Essential Video Doorbell Wired

- Maximum Video Resolution: 1536 x 1536
- Power: Must be hardwired to existing doorbell wiring
- Connection: Direct to Wi-Fi or connect to an Arlo SmartHub or Arlo Base Station