Aeotec Motion Sensor vs Shelly Blu Motion

The Shelly Blu Motion wins overall, offering a lower price, a longer 9m/30ft range, a built-in light sensor and Home Assistant, Alexa and Google support. The Aeotec Motion Sensor carries the higher owner rating and adds a temperature sensor, making it a strong Zigbee trigger for SmartThings and Hubitat homes.

Their radio and bridge requirement. The Shelly Blu Motion is Bluetooth and needs another Shelly device or a BLU Gateway to reach WiFi, while the Aeotec Motion Sensor is Zigbee and needs a Zigbee hub. The Shelly adds a light sensor; the Aeotec adds a temperature sensor.

The Shelly Blu Motion is rated to 9m/30ft, longer than the Aeotec Motion Sensor's 4.5m/15ft. The Aeotec sensor lists a 120-degree detection angle; Shelly does not publish an angle, so weigh the two by the distance and layout you need to cover.

Yes. The Shelly Blu Motion needs another Shelly device (Plus/Pro) or a Shelly BLU Gateway to bridge Bluetooth to WiFi, and the Aeotec Motion Sensor needs a Zigbee hub such as SmartThings, Hubitat or a Home Assistant dongle. Both are indoor sensors.

Buy the Aeotec Motion Sensor if you want the higher-rated Zigbee sensor with a temperature reading for SmartThings, Hubitat or Home Assistant. It is a fast, reliable trigger for hub-based lighting automation.

Buy the Shelly Blu Motion if you already run Shelly hardware and want a tiny, fast, affordable sensor with a light sensor and configurable sensitivity for lighting automations. It suits Home Assistant users who have a Shelly bridge in place.