Eufy Smart Security Motion Sensor | T8910021Enjoy Peace of mind with eufy Security Motion Sensor. As soon as motion is detected, the eufy Security Motion Sensor will send an alert to your HomeBase (sold separately), which in turn will send an alert notification straight to your phone (eufy Security app required). Customisable Detection: To prevent your playful pets from accidentally triggering the motion sensor, you can adjust the sensitivity so that it only triggers when human sized intruders