🌡️ SONOFF SNZB-02P — Zigbee Temperature & Humidity Sensor
Compact, long-life Zigbee 3.0 temperature and humidity sensor with Swiss-made sensor (±0.2°C / ±2% RH accuracy), push alerts for out-of-range conditions, 6 months of data logging, and smart scene automation. No LCD screen — designed for discreet, hidden installations. Requires a Zigbee hub. MPN: SNZB-02P.
🌡️ Zigbee Temp/Humidity Sensors
⚡ Key Features
- Swiss-Made Sensor — ±0.2°C temperature accuracy and ±2% RH humidity accuracy with 5-second refresh rate
- Push Alerts — receive instant app notifications when temperature or humidity exceeds your preset comfort range
- Data Logging & Export — 6 months of free cloud storage with hourly trends, historical highs/lows, and exportable data
- Smart Scene Automation — trigger heaters, fans, humidifiers, or dehumidifiers based on temperature/humidity readings
- Zigbee 3.0 — reliable, low-power mesh networking; requires a compatible Zigbee hub
- Compact & Discreet — no LCD screen, designed for hidden installations behind cabinets, in utility rooms, or inside enclosures
- Home Assistant Compatible — ZHA and Zigbee2MQTT with configurable reporting thresholds and intervals
- Voice Queries — ask Alexa or Google for the current temperature/humidity reading
🔄 Sensor Comparison
| Feature | SNZB-02P | SNZB-02WD | SNZB-02LD |
| Measures | Temp + Humidity | Temp + Humidity | Temp only (probe) |
| LCD Display | ❌ No screen | ✅ 2.2″ LCD | ✅ 2.2″ LCD |
| IP Rating | Indoor only | IP65 | IP65 |
| Probe | ❌ | ❌ (built-in sensor) | ✅ 1.5 m probe (DS18B20) |
| Sensor Chip | Swiss-made | Sensirion SHT40 | Dallas DS18B20 |
| Accuracy (Temp) | ±0.2°C | ±0.2°C | ±0.5°C |
| Accuracy (Humidity) | ±2% RH | ±2% RH | N/A |
| UV Resistant Screen | N/A | ✅ | ✅ |
| Best For | Hidden installs, cabinets, utility rooms | Outdoor, bathrooms, greenhouses | Liquids, fridges, aquariums |
| Data History | 6 months | 6 months (180 days) | 6 months (180 days) |
| Price | R 269 | R 429 | R 459 |
🏠 Where to Use
Living Room & Bedroom (02P)
Discreet sensor behind furniture. Trigger AC/heater via smart scenes. Get alerts if humidity rises (mould prevention).
Garden & Greenhouse (02WD)
IP65 weatherproof with LCD readout. Monitor outdoor conditions. Automate irrigation or ventilation based on temp/humidity.
Aquarium & Pool (02LD)
1.5 m waterproof probe goes directly in the water. LCD shows current temp. Alert if temperature drops below safe range.
Fridge & Wine Cellar (02LD)
Thread the probe through the door seal. Monitor internal temperature without opening the door. Export data for compliance.
🌡️ More Temp/Humidity Sensors
SONOFF SNZB-02WD
IP65 waterproof Zigbee sensor with 2.2″ LCD, Sensirion SHT40 chip, ±0.2°C accuracy. Ideal for bathrooms, greenhouses, and outdoor monitoring.
View Product →
SONOFF SNZB-02LD (Probe)
IP65 waterproof thermometer with 1.5 m stainless steel probe. Measure liquid temperature in pools, aquariums, fridges, and geyser pipes.
View Product →
📋 Technical Specifications — SNZB-02P
| Product | SONOFF Zigbee Temperature & Humidity Sensor |
| MPN / Model | SNZB-02P |
| Measures | Temperature + Humidity |
| Accuracy | ±0.2°C / ±2% RH |
| Refresh Rate | 5 seconds on-device · Configurable reporting threshold |
| Display | None (app-only monitoring) |
| Protocol | Zigbee 3.0 |
| Hub Required | Yes — NSPanel Pro, ZB Bridge-P, ZBDongle-E, iHost, etc. |
| Battery | CR2477 (3V) — long-life |
| Data History | Up to 6 months in eWeLink (exportable) |
| Home Assistant | ZHA · Zigbee2MQTT |
| App | eWeLink (iOS & Android) |
| Voice Control | Amazon Alexa · Google Assistant |
| Warranty | 1 Year Manufacturer Warranty |
❓ Frequently Asked Questions
Does it need a hub?
Which sensor measures humidity?
Can I use the 02WD or 02LD outdoors?
Can I measure pool/aquarium water temperature?
Does it work with Home Assistant?
Can I trigger automations based on temperature?
🤝 Need Help? We’re Here for You!
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8 Wildebraam Street
Weltevreden Park, Roodepoort
Gauteng, 1709
Know Your Climate. Automate Your Comfort.
Zigbee temperature & humidity sensors — accurate, affordable, automatable.
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