Sonoff SNZB-02D LCD Smart Temperature Humidity Sensor Quick Guide


Sonoff SNZB-02D LCD Smart Temperature Humidity Sensor Quick Guide


Download the eWelink App


Power on the device


Take out battery insulation sheet to power on the device.

If the device is the No battery version, please install the battery (CR2450) to power on the device.

Pair SONOFF Zigbee Bridge to your eWeLink account

Add the device to Zigbee Bridge


Tap “Add” on the main page of Zigbee Bridge on your eWeLink App, and long press the button on the device for 5s until the Zigbee signal icon @ flashes, now the device is entered the pairing mode and waiting to be added.

  • The pairing time is 30s, when the device is added successfully, the Zigbee signal icon 1 will keep on. If the device is failed to be added, please move the device closer to the Bridge and add it again.
  • This device can also use with NS Panel series products, please visit SONOFF official website( sonoff. tech) to view the products ‘User Manual.



  1. Place on the desktop
  2. Install with the base
  3. Attached to the metal surface with the magnetic base
  4. Stick to the wall with 3M adhesive of the base

User Manual


Scan the Q code or visit the website to learn about the detailed user manual and help.

FCC Warning

Changes or modifications not expressly approved by the party responsible for compliance could avoid the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

  • This device may not cause harmful interference, and
  • this device must accept any interference received, including interference that may cause undesired operation.

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co located or operating in conjunction with any other antenna or transmitter.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.



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