Aqara Zigbee Motion & Light Sensor P1 (MS-S02) vs Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards
What separates them
These two differ on 8 recorded specifications. The Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards is ₹291 dearer.
Aqara Zigbee Motion & Light Sensor P1 (MS-S02) vs Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards
Aqara
Aqara Zigbee Motion & Light Sensor P1 (MS-S02)
₹2,499
The configurable detection interval is what separates this from cheaper PIR sensors: most are locked to roughly a minute of cooldown, which makes them useless for lighting a corridor you walk back down thirty seconds later.
Full details →
Havells
Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards
₹2,790
Four circuits made smart for Rs2,790 works out cheaper per point than replacing switches or bulbs individually, and it keeps the wall switches your family already knows how to use.
Full details →Who the Aqara Zigbee Motion & Light Sensor P1 is for
Buy it if: Anyone running a Zigbee hub who wants motion-triggered lighting that does not fire in daylight.
Avoid it if: Anyone without a Zigbee hub, and anyone needing outdoor placement -- this is IP20.
Who the Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards is for
Buy it if: Anyone with a modern switchboard that has a neutral wire and four circuits worth automating at once.
Avoid it if: Anyone in an older building with no neutral at the switch -- a no-neutral Zigbee module is the alternative.
Specifications, side by side
8 of 18 rows differ. Differences first.
| Specification | Aqara Zigbee Motion & Light Sensor P1 | Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards |
|---|---|---|
| Price | ₹2,499 | ₹2,790 |
| Battery life | Up to 5 years | Not applicable, mains powered |
| Hub required | Yes -- Requires an Aqara hub, SmartThings, Home Assistant or another Zigbee coordinator | No -- Connects directly to the router |
| Local control | Yes. Motion events and hub-side automations run with no internet connection | Partial. The existing physical switches keep working normally; app and voice control require internet |
| Power source | CR2450 coin cell | Mains, wired inside the switchboard |
| Protocol | Zigbee 3.0 | Wi-Fi 2.4 GHz |
| Warranty | 1 Year Official Brand Warranty | 1 Year Manufacturer Warranty |
| Weather rating | IP20, indoor use only | IP20, enclosed in the switchbox |
| Works with | Apple Home, Alexa, Google Home and Home Assistant via the hub | Amazon Alexa, Google Home, Havells Smart app |
| Channels | not published | 4 independent |
| Detection interval | Configurable from 1 to 200 seconds | not published |
| Detection range | Up to 7 metres | not published |
| Field of view | 170 degrees | not published |
| Installation | not published | Behind the switch plate, licensed electrician recommended |
| Light sensor | Built in, 0 to 83,000 lux | not published |
| Load per channel | not published | Up to 5 A |
| Neutral wire | not published | Required -- will not work in boards wired without a neutral at the switch |
| Physical switches | not published | Existing switches continue to work in parallel |
| Size | 30 x 30 x 32 mm | 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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