Aqara Presence Sensor FP2 mmWave Multi-Zone Occupancy Sensor vs Xiaomi Smart Camera C400 2.5K Indoor Pan and Tilt with AI Detection
What separates them
These two differ on 6 recorded specifications. The Aqara Presence Sensor FP2 mmWave Multi-Zone Occupancy Sensor is ₹3,191 dearer.
Aqara Presence Sensor FP2 mmWave Multi-Zone Occupancy Sensor vs Xiaomi Smart Camera C400 2.5K Indoor Pan and Tilt with AI Detection
Aqara
Aqara Presence Sensor FP2 mmWave Multi-Zone Occupancy Sensor
₹6,490
The specification that justifies the price over a Rs2,499 motion sensor is that it detects a person who is not moving.
Full details →Xiaomi
Xiaomi Smart Camera C400 2.5K Indoor Pan and Tilt with AI Detection
₹3,299
Dual-band Wi-Fi and NAS recording are what separate this from the Rs3,000 tier.
Full details →Who the Aqara Presence Sensor FP2 mmWave Multi-Zone Occupancy Sensor is for
Buy it if: Anyone whose lights keep switching off on a person sitting still, and anyone wanting room-level presence rather than motion.
Avoid it if: Anyone wanting a battery sensor -- this needs permanent USB power -- and anyone on a tight budget, where a PIR does most of the job.
Who the Xiaomi Smart Camera C400 2.5K Indoor Pan and Tilt with AI Detection is for
Buy it if: Anyone who wants 2K-class detail, on-device AI filtering, and footage stored on their own NAS.
Avoid it if: Anyone wanting outdoor placement or Apple Home support -- neither is offered.
Specifications, side by side
6 of 21 rows differ. Differences first.
| Specification | Aqara Presence Sensor FP2 mmWave Multi-Zone Occupancy Sensor | Xiaomi Smart Camera C400 2.5K Indoor Pan and Tilt with AI Detection |
|---|---|---|
| Price | ₹6,490 | ₹3,299 |
| Hub required | No -- Connects directly to the router; no Aqara hub required | No -- Connects directly to the router |
| Local control | Yes. Detection and Matter-exposed state work on the local network without internet | Partial. microSD and NAS recording continue during an outage; remote viewing does not |
| Power source | Mains via USB-C | Mains via USB-C adapter |
| Protocol | Wi-Fi 2.4 GHz, Matter compatible | Wi-Fi 2.4 GHz and 5 GHz |
| Weather rating | IP65 -- can be used in a bathroom | IP20, indoor use only |
| Works with | Apple Home, Alexa, Google Home, Home Assistant | Amazon Alexa, Google Home, Mi Home app |
| Battery life | Not applicable, mains powered | Not applicable, mains powered |
| Neutral wire | Not applicable | Not applicable |
| Warranty | 1 Year Manufacturer Warranty | 1 Year Manufacturer Warranty |
| AI detection | not published | Human, pet and vehicle, processed on device |
| Coverage | Approximately 40 square metres | not published |
| Detection | 60 GHz mmWave radar, detects a stationary person | not published |
| Difference from PIR | A PIR sensor detects motion and times out on someone sitting still; radar detects presence | not published |
| Light sensor | Built in | not published |
| Local storage | not published | microSD up to 256 GB, plus NAS over SMB |
| Night vision | not published | Infrared plus full-colour low-light mode |
| Pan and tilt | not published | 360 degrees horizontal, 108 degrees vertical |
| Resolution | not published | 2.5K, 2560 x 1440 at 20 fps |
| Sensor | not published | 4 MP with f/1.4 aperture |
| Subscription | not published | Not required |
| Zones | Up to 30 zones, 5 tracked simultaneously | not published |
Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.
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