Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards vs Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67)
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.
Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards vs Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67)
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 →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 →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.
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.
Specifications, side by side
8 of 17 rows differ. Differences first.
| Specification | Havells Smart Wi-Fi 4-Node Retrofit Module for Existing Switchboards | Aqara Water Leak Sensor T1 |
|---|---|---|
| Price | ₹2,790 | ₹1,990 |
| Battery life | Not applicable, mains powered | Approximately 2 years |
| Hub required | No -- Connects directly to the router | Yes -- Requires an Aqara hub or another Zigbee coordinator |
| Local control | Partial. The existing physical switches keep working normally; app and voice control require internet | Yes. The hub sounds its siren and runs automations with no internet connection |
| Neutral wire | Required -- will not work in boards wired without a neutral at the switch | Not applicable |
| Power source | Mains, wired inside the switchboard | CR2032 coin cell |
| Protocol | Wi-Fi 2.4 GHz | Zigbee 3.0 |
| Weather rating | IP20, enclosed in the switchbox | IP67 -- survives full immersion, which is the point |
| Works with | Amazon Alexa, Google Home, Havells Smart app | Apple Home, Alexa, Google Home and Home Assistant via the hub |
| Warranty | 1 Year Manufacturer Warranty | 1 Year Manufacturer Warranty |
| Alarm | not published | Hub-side siren and push notification |
| Channels | 4 independent | not published |
| Detection | not published | Two contact probes on the underside, triggers within 1 second |
| Diameter | not published | 50 mm |
| Installation | Behind the switch plate, licensed electrician recommended | not published |
| Load per channel | Up to 5 A | not published |
| Physical switches | Existing switches continue to work in parallel | not published |
| Placement | not published | Under sinks, behind washing machines, near water tanks and geysers |
Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.