Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67) vs Aqara Zigbee Motion & Light Sensor P1 (MS-S02)

What separates them

These two differ on 6 recorded specifications. The Aqara Zigbee Motion & Light Sensor P1 (MS-S02) is ₹509 dearer.

Aqara Water Leak Sensor T1 (Zigbee 3.0, IP67) vs Aqara Zigbee Motion & Light Sensor P1 (MS-S02)

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.

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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.

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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 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.

Specifications, side by side

6 of 18 rows differ. Differences first.

SpecificationAqara Water Leak Sensor T1Aqara Zigbee Motion & Light Sensor P1
Price₹1,990₹2,499
Battery lifeApproximately 2 yearsUp to 5 years
Hub requiredYes -- Requires an Aqara hub or another Zigbee coordinatorYes -- Requires an Aqara hub, SmartThings, Home Assistant or another Zigbee coordinator
Local controlYes. The hub sounds its siren and runs automations with no internet connectionYes. Motion events and hub-side automations run with no internet connection
Power sourceCR2032 coin cellCR2450 coin cell
Warranty1 Year Manufacturer Warranty1 Year Official Brand Warranty
Weather ratingIP67 -- survives full immersion, which is the pointIP20, indoor use only
ProtocolZigbee 3.0Zigbee 3.0
Works withApple Home, Alexa, Google Home and Home Assistant via the hubApple Home, Alexa, Google Home and Home Assistant via the hub
AlarmHub-side siren and push notification not published
DetectionTwo contact probes on the underside, triggers within 1 second not published
Detection interval not publishedConfigurable from 1 to 200 seconds
Detection range not publishedUp to 7 metres
Diameter50 mm not published
Field of view not published170 degrees
Light sensor not publishedBuilt in, 0 to 83,000 lux
Neutral wireNot applicable not published
PlacementUnder sinks, behind washing machines, near water tanks and geysers not published
Size not published30 x 30 x 32 mm

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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