Sonoff has recently launched two new sensors: the SNZB-02LD, a temperature sensor with an external probe, and the SNZB-02WD, a temperature and humidity sensor. Both are priced the same and feature an LCD display, but they differ in functionality and ideal applications. This article provides a comprehensive comparison to help you choose the right sensor for your smart home.
Key Features
Sonoff SNZB-02LD (Temperature Sensor with Probe)
Measures temperature with high precision using an external probe
LCD display with backlight
Zigbee 3.0 connectivity
IP65-rated: water and dust resistant
Ideal for refrigerators, outdoor areas, aquariums, and greenhouses
Sonoff SNZB-02WD (Temperature & Humidity Sensor)
Measures both temperature and humidity
LCD display with comfort icons
Zigbee 3.0 connectivity
IP65-rated: water and dust resistant
Perfect for bedrooms, offices, and storage rooms
Comparison Table
| Feature | SNZB-02LD (Temp + Probe) | SNZB-02WD (Temp + Humidity) |
|---|---|---|
| Measurement | Temperature only | Temperature and Humidity |
| External Probe | Yes | No |
| Humidity Measurement | No | Yes |
| LCD Display | Yes, with backlight | Yes, with comfort icons |
| Zigbee 3.0 Connectivity | ✅ | ✅ |
| IP65 Rating | ✅ | ✅ |
| Ideal Use | Extreme or technical environments | Indoor comfort monitoring |
| Price | $17.90 USD | $17.90 USD |
Which Sensor Should You Choose?
✅ Choose the SNZB-02LD if you need:
Precise temperature measurement in extreme conditions (e.g., refrigerators, outdoor areas)
An external probe for specific monitoring (e.g., aquariums, greenhouses)
✅ Choose the SNZB-02WD if you need:
To monitor both temperature and humidity for comfort
A sensor for indoor environments like bedrooms or offices
Real-World Applications
SNZB-02LD (with Probe):
Monitoring temperature in restaurant refrigerators
Climate control in greenhouses
Ensuring stable temperatures in aquariums
SNZB-02WD (with Humidity):
Maintaining comfort levels in bedrooms
Humidity control in storage rooms
Environmental monitoring in offices
💸 Pricing and Purchase Links
Both sensors are available at the same price on Sonoff’s official store:
Exclusive Discount Coupon
As a token of appreciation for reading this far, here’s an exclusive discount code for your purchase:
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Note: Limited-time offer. Apply the code at checkout to receive your discount.
Conclusion
Both the SNZB-02LD and SNZB-02WD sensors offer excellent value for their price. Your choice depends on your specific needs.
For precise temperature monitoring in specific environments, opt for the SNZB-02LD.
For comprehensive indoor climate monitoring, the SNZB-02WD is the better choice.
Enhance your smart home setup by selecting the sensor that best fits your
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