Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67) 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 ₹800 dearer.
Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67) vs Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards
Aqara
Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67)
₹1,990
A Rs1,990 device whose entire value is measured against the cost of the thing it prevents.
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 Water Leak Sensor T1 is for
Buy it if: Anyone with a geyser, water tank, or washing machine on a floor that would be expensive to water-damage.
Avoid it if: Anyone without a Zigbee hub -- there is no standalone siren on the sensor itself.
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 17 rows differ. Differences first.
| Specification | Aqara Water Leak Sensor T1 | Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards |
|---|---|---|
| Price | ₹1,990 | ₹2,790 |
| Battery life | Approximately 2 years | Not applicable, mains powered |
| Hub required | Yes -- Requires an Aqara hub or another Zigbee coordinator | No -- Connects directly to the router |
| Local control | Yes. The hub sounds its siren and runs automations with no internet connection | Partial. The existing physical switches keep working normally; app and voice control require internet |
| Neutral wire | Not applicable | Required -- will not work in boards wired without a neutral at the switch |
| Power source | CR2032 coin cell | Mains, wired inside the switchboard |
| Protocol | Zigbee 3.0 | Wi-Fi 2.4 GHz |
| Weather rating | IP67 -- survives full immersion, which is the point | 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 |
| Warranty | 1 Year Manufacturer Warranty | 1 Year Manufacturer Warranty |
| Alarm | Hub-side siren and push notification | not published |
| Channels | not published | 4 independent |
| Detection | Two contact probes on the underside, triggers within 1 second | not published |
| Diameter | 50 mm | not published |
| Installation | not published | Behind the switch plate, licensed electrician recommended |
| Load per channel | not published | Up to 5 A |
| Physical switches | not published | Existing switches continue to work in parallel |
| Placement | Under sinks, behind washing machines, near water tanks and geysers | 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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