Smart doorbells by connectivity

XTU

Wireless WiFi Video Doorbell Camera with Chime, 2K HD Smart...

A budget 2K camera that mostly gets the job done

Imou

Doorbell 2S Kit, 2K/3MP, Outdoor Smart Wi-Fi Rechargeable Ba...

A simple battery doorbell that covers the whole doorway

WiFi Home Video Intercom System 1080P HD Video Doorbell Came...

A promising kit dragged down by clunky setup and weak reliability

ACEBELL

WiFi 1080P Video Doorbell Camera with Monitor, Wireless Vide...

Simple kit with its own screen and no subscription hassle

XPJ

Wireless Doorbell Camera with 7" Screen Monitor Smart Video...

A simple video intercom that works best if you keep expectations in check

WISDOM Wireless Video Doorbell with 7" Touchscreen Monitor,...

A no-subscription kit with its own 7" screen

eufy Security

Video Doorbell S330 (Battery-Powered) with Homebase, Dual Mo...

A solid 2K doorbell without subscription headaches