Video Doorbell Motion Detection Ranges Vary by Manufacturer and Technology

Varying Detection Distances

Video doorbell motion detection capabilities differ widely across brands. Ring indicates a standard maximum motion detection range of approximately 30 feet (9 meters) for its devices. However, this range can extend for larger objects like vehicles. Other manufacturers report shorter ranges, such as eufy's Video Doorbell, which reliably detects horizontal motion up to 15 feet and vertical motion up to 5 feet.

Arlo's second-generation Video Doorbell has a maximum motion detection range of 13 feet, while its Essential wired and wire-free models are listed at 16 feet. TELUS doorbells perform optimally within 8 feet and require continuous movement for seven seconds or more to trigger an alert.

Factors Influencing Detection

Motion detection is not solely dependent on the camera's visible range. The sensor type, camera angle, directional movement, and software settings all play a role. A person might be visible in a live view but not trigger a motion event if these other factors are not met.

Sensitivity settings, mounting location, and surrounding environment can also affect a camera's ability to detect motion within its advertised maximum range.

Motion Detection Technologies

Two primary types of motion detection technologies are commonly used. Passive infrared (PIR) heat sensors, found in devices like the Wyze Duo Cam Doorbell, are more sensitive to side-to-side movement. Pixel Difference Analysis (PDA), used by Logitech's Circle View, identifies differences between consecutive video frames.

Some video doorbells, such as SimpliSafe models, combine PIR with video analytics for enhanced detection.

Customization and Settings

Users can often adjust motion sensitivity and detection range settings on their video doorbells. Companies like Ring allow for the establishment of up to three customizable motion zones per device, enabling users to define specific areas for motion monitoring.