2.5x the Clarity: The built-in Sony 1080p sensor and professional-grade lens allow you to view activity in picture-perfect resolution. See visitors in sharp detail as they approach your door. Expanded Field of View: The increased 4:3 Aspect Ratio ensures you get a head-to-toe view of anyone who approaches and gives you the perfect viewing angle every time. HomeBase™ S280 (HomeBase™ 2)/Wi-Fi Doorbell Chime Required: The eufy Security Video Doorbell C210 Add-on requires HomeBase™ S280 (HomeBase™ 2)/Wi-Fi Doorbell Chime to operate. Please note, the doorbell alone will not work. Package contains only Video Doorbell 1080p. User manual and mounting accessories are not included.