Sonoff SNZB-02D Manual

Introduction

SNZB-02D is a Zigbee smart temperature and humidity sensor, equipped with an LCD high-definition display that displays temperature and humidity data in real-time, which is intuitive and easy to read. Paired with a Zigbee gateway, you can monitor temperature and humidity changes in real-time through the APP, store and export historical data, push notifications, voice inquiries, and link with other devices to achieve your home automation.

1. Signal icon
   • Flashes slowly: Device is in pairing mode
   • Keeps on: Pairing successful
   • Keeps off: Pairing failed
2. Display screen
3. Battery
4. Stand
5. Button
   • Press and hold for 5 seconds: Device enters the pairing mode (Pairing time 180s)
   • Single press: Device wake-up/Reconnection
   • Double-press: Switch temperature unit ℃/℉ (Factory default is ℃)
6. Base

Specification

Power On the Device

1. Take out the battery insulation sheet to power on the device.
   
2. When the device is used for the first time, it will enter pairing mode by default after being powered on, and the signal icon is in a "slow flashing state".
   

Download the eWeLink App & Add SONOFF Zigbee gateway

Please download the "eWeLink" App from Google Play Store or Apple App Store.

Scan QR Code to Add Device

1. Enter "Scan".
   
2. Scan the QR code on the device.
   
3. Select "Add Device".
   
4. Long press the pairing button for 5 seconds.
   
5. The Signal icon flashes slowly for 180s.
   
6. Select Zigbee gateway.
   
7. Wait until the addition is done.
   

Matched Gateways

SONOFF ZBBridge, ZBBridge-P, ZBBridge-U, NSPanel PRO, iHost, ZBDongle-P, ZBDongle-E Third-party compatible gateway models:
Amazon Gateway Model: Echo Plus 2nd, Echo 4th Gen, Echo Show 2nd
Other gateways supporting ZigBee3.0 wireless protocol. Detailed information is in accordance with the final product.

Effective Communication Distance Verification

Place the device in your desired place and press the device's pairing button, then the signal icon on the screen keeps on, which means the device and the device (router device or gateway) under the same Zigbee network is in the effective communication distance.

Installation

1. Place on the desktop
   Open the stand and place it.
   
2. Install with base
   1. Attach to the metal surface with the magnetic base.
      
   2. Stick on the wall with 3M adhesive base.
      

* The equipment is only suitable for mounting at heights ≤ 2 m.

Default Comfort Level

Battery Replacement

1. Loosen the screws on the bottom cover.
   
2. Pry open the bottom cover.
   
3. Remove the bottom cover
   

Factory Reset

Reset the device to factory settings by "Delete device" on the eWeLink App.

Manufacturer: Shenzhen Sonoff Technologies Co., Ltd.
Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China
ZIP code: 518000
Service email: support@itead.cc
Website: sonoff.tech