# Sonoff ZigBee Indoor Temperature & Humidity Sensor SNZB-02D Wireless Battery CR2450

**URL:** https://aio.lv/en/product--sonoff-snzb-02d--10735323
**Data updated:** 2025-12-30 10:00 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** Sonoff
**Manufacturer code:** SNZB-02D
**EAN:** 6920075740004
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonoff-snzb-02d--10735323

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Sonoff ZigBee Indoor Temperature & Humidity Sensor SNZB-02D is a wireless device powered by a CR2450 battery, offering a maximum battery life of 2 years. It features an LCD display and measures 59.5 mm in width and 62.5 mm in height, making it a compact solution for monitoring indoor climate conditions.

## Long description

The Sonoff ZigBee Indoor Temperature & Humidity Sensor SNZB-02D is a compact wireless detector powered by a CR2450 battery, designed to monitor indoor climate. It features an integrated LCD display and supports Zigbee 3.0 connections for compatibility with most Zigbee gateways and hubs. The device records temperature and humidity data, stores up to six months of cloud data with hourly resolution, and allows data export as files for review.
Advantages
The sensor provides accurate hourly measurements and shows highest and lowest values by hour or day. It supports instant mobile alerts via the eWeLink app when temperature or humidity exceed user-defined thresholds. With Zigbee 3.0 compatibility and Home Assistant support through the eWeLink add-on, it integrates into existing smart home systems. It offers up to 120 m (400 ft) coverage in ideal, unobstructed conditions and includes three mounting options for flexible installation.
Suitable for
Home rooms where temperature and humidity need monitoring
Nurseries and baby rooms
Server cabinets or small equipment enclosures
Greenhouses and indoor plant areas
Integration into Zigbee smart home setups and Home Assistant
Key specifications
Model: SNZB-02D
Power: CR2450 battery (included) with up to 2 years battery life
Display: LCD
Dimensions: 59.5 mm (W) × 62.5 mm (H)
Wireless: Zigbee 3.0 compatible
Cloud storage: Up to half-year (hourly data resolution)
Wireless range: Up to 120 m / 400 ft (no obstructions, ideal conditions)
How to use
Insert the CR2450 battery and place the sensor in the desired indoor location. Pair the device with a Zigbee 3.0 gateway or compatible hub following the gateway’s pairing procedure. Install the eWeLink app, add the sensor and enable notifications to receive instant alerts when measurements exceed your set thresholds. Optionally, add the device to Home Assistant via the eWeLink add-on for automation and scene control.
Usage recommendations
Position the sensor away from direct heat sources, drafts or direct sunlight to ensure accurate readings. For best wireless performance, avoid heavy obstructions between the sensor and the Zigbee gateway and choose the mounting option (stand, wall or magnet) that suits the installation location.

## Specifications

| Feature | Value |
|---|---|
| Type | Freestanding |
| Display | LCD |
| Operating relative humidity (H-H) | 5 - 95 |
| Material | Polycarbonate (PC) |
| Battery type | CR2450 |
| Operating temperature (T-T) | -9 - 60 |
| Height | 62.5 mm |
| Sensor type | Temperature & humidity sensor |
| Width | 59.5 mm |
| Connectivity technology | Wireless |
| Purpose | Indoor |
| Battery voltage | 3 V |
| Accuracy | 0.2 °C |
| Accuracy | 2 % |
| Built-in display | Yes |
| Temperature measurement units | °C, F |
| Checking interval | 5 s |
| Battery life (max) | 2 year(s) |
| Temperature update rate | 50 ms |

## FAQ

### How much does the Sonoff ZigBee Indoor Temperature & Humidity Sensor SNZB-02D cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1720 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sonoff products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sonoff service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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