How It Works

1
Add to your hub
Open your hub's app (ThirdReality, SmartThings, Home Assistant), tap "Add Zigbee Device", press the sensor's button for 5 seconds.
2
Insert into soil
Push the probe into the soil up to the marked line. Place near the plant's roots, not against the pot wall.
3
Set your threshold
In the app, set the alert level — e.g. ping me when moisture drops below 35%. Tweak per plant type.
4
Optional: auto-water
Pair with a Smart Watering Kit and create a routine that waters automatically when the soil hits your threshold.
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Is This Right for Me?

Protocol: Zigbee 3.0
Sensors: Soil moisture (capacitive) + temperature
Accuracy: ±3% RH, ±1.5°C
Battery: 1 × AA (included), ~2 years
Range: ~50 m in open conditions
Updates: OTA firmware
Hub required: Yes — Zigbee 3.0 coordinator
Manufacturer SKU: P1SMS1B

Product Details

Plants are honest about what they need, but only if you are paying attention. The Smart Soil Moisture Sensor Gen2 reads moisture and temperature continuously and pushes the readings to your Zigbee hub, so you stop guessing and start automating.

The capacitive probe is the upgrade you actually feel. It does not corrode like the old conductive type, the readings stay accurate as soil composition changes (salinity, fertilizer, pH), and the new antenna design pushes Zigbee range to about 50 metres in open conditions. One AA battery runs for around two years.

Set thresholds in Home Assistant or Hubitat and trigger anything Zigbee can talk to: a smart plug for the irrigation pump, a push notification when the basil dries out, season-long moisture trend logs. Matter compatibility comes through the Third Reality MZ1 bridge, so the sensor can also surface in Apple Home and Google Home.

A battery sensor over Zigbee sleeps most of the time and reports on a schedule rather than instantly. If the sensor sits beyond the typical mesh range, drop a Zigbee smart plug or bulb in between, they double as repeaters and stretch coverage.

What You Get

2-year battery life
One AA runs the sensor for about two years indoors
Capacitive accuracy
Doesn't corrode like old metal probes, stays accurate as soil pH shifts
50 m Zigbee range
Reinforced antenna pushes signal across yard or balcony
Moisture + temperature
Two readings from one device, in real time
Automate anything
Trigger pumps, valves, or alerts on moisture thresholds
Apple & Google Home
Via the Smart Bridge MZ1 over Matter

Works With

Home Assistant (ZHA + Z2M)
Works
Hubitat
Works
SmartThings
Works
Echo Plus / 4th Gen / Studio
Works
eero 6 / 6 Pro
Works
Homey + Homey Pro
Works
Apple Home (via MZ1 bridge)
Works
Google Home (via MZ1 bridge)
Works
Matter (via MZ1 bridge)
Works

What's in the Box

1× Smart Soil Moisture Sensor Gen2
1× AA battery
1× User guide

Delivery & Pickup

Standard Delivery
All Lebanon governorates — Greater Beirut usually next day; Tripoli, Jbeil, Saida, Tyre, Zahle, Akkar and the rest within 2–4 working days.
4 $ · Free over 50 $
Express Delivery
Faster shipping — usually within 24 hours of order confirmation (Greater Beirut & Metn). Same-day not guaranteed.
6 $ flat
Pickup — Dekwaneh
Collect from our Dekwaneh store. Weekdays 10am–5pm, Sat 10am–1pm.
3 $ · Free over 30 $

Warranty & Support

6-month Local Warranty
Covers defects in materials & workmanship. Handled here in Lebanon.
WhatsApp Support — Always On
Can't set it up? Message us. We reply within minutes, not days.
14-day Exchange — Unopened Items
The item must be unopened and in its original packaging. Exchange it for a product of equal or higher value — we do not give cash refunds. Opened items are covered by the warranty if there is a factory defect.
Free Setup Help
Every order includes a setup guide — plus a free WhatsApp call if you ever need a hand.

Frequently Asked Questions

Do I need a separate hub for this sensor?
Yes. It's Zigbee 3.0, so you need a Zigbee coordinator — a Home Assistant box, Hubitat, SmartThings, Echo (4th Gen, Plus, Studio), eero 6 / 6 Pro, or any Zigbee-compatible hub.
Will this work with Apple Home or Google Home directly?
Not directly. You need the Third Reality Smart Bridge MZ1 to bring the sensor into Apple Home and Google Home over Matter.
How long does the battery last?
Around 2 years on one AA in normal indoor conditions. Cold outdoor use shortens that — plan to swap annually if the sensor stays outside year-round.
Why doesn't Alexa show moisture readings?
Alexa's Zigbee implementation doesn't expose humidity values. The sensor still pairs and works in Alexa routines, but live moisture isn't shown in the Alexa app.
Can I install it outdoors year-round?
Yes, but battery life shortens in cold weather. Check the battery every 6 months for outdoor placement.
What if my hub is too far away?
Add a Zigbee repeater. Any mains-powered Zigbee device (smart plug, bulb) extends the mesh — most setups need one repeater per ~15-20 metres.

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