I’m not sure what the detection area is precisely for that model, but all of these PIR motion sensors will detect most effectively when you walk across the field rather than straight on towards it. So you might want to take a look at the following FAQ (this is a clickable link)
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| FAQ: Where to locate motion sensor for fastest response? | 38 | 14704 | December 31, 2016 | |
| Tricky Sensor placement puzzle | 4 | 1615 | April 14, 2017 | |
| Motion Recommendation with wide angle | 4 | 1079 | November 27, 2016 | |
| Distance issue SmartThings motion sensor | 10 | 5951 | February 16, 2018 | |
| Motion Sensor Placement for better coverage | 5 | 3063 | December 1, 2017 |