Arlo All-in-One Sensor vs Eufy Motion Sensor

The Eufy Motion Sensor, which costs less, is much better rated, detects out to 9m against 6m and connects over Wi-Fi with Home Assistant support. The Arlo All-in-One Sensor wins by combining motion, light and temperature sensing in one unit with Google Home and Alexa.

How much they measure. The Arlo All-in-One Sensor reports motion, ambient light and temperature, while the Eufy Motion Sensor detects motion only but does it further away and more cheaply.

The Eufy Motion Sensor, rated to 9m or about 30ft, against 6m or roughly 20ft for the Arlo All-in-One Sensor. In a large room or a hallway that difference decides where you can mount it.

The Arlo All-in-One Sensor relies on an Arlo bridge rather than connecting directly. The Eufy Motion Sensor has its own 2.4 GHz Wi-Fi connection, so it joins the network without extra hardware.

The Eufy Motion Sensor, which lists Home Assistant support. The Arlo All-in-One Sensor works with Google Home and Alexa instead, so it suits a voice-assistant setup more than a locally controlled one.

Buyers already in the Arlo ecosystem who want one device covering motion, ambient light and temperature, with Google Home and Alexa control, and who can live with 6m of range.

Buyers who want dependable motion detection at the lowest price, with 9m of range, direct Wi-Fi and Home Assistant support, and no need for light or temperature readings.