Preface

Copyright Statement

This guide may not be reproduced in any form or by any means to create any derivative such as translation, transformation, or adaptation without the prior written permission of Xiamen Milesight IoT Co., Ltd (Hereinafter referred to as Milesight).

reserves the right to change this guide and the specifications without prior notice. The latest specifications and user documentation for all Milesight products are available on our official website http://www.milesight.com

Safety Instructions

These instructions are intended to ensure that users can use the product correctly to prevent personal injury or property damage. Milesight will not take responsibility for any loss or damage resulting from failure to follow the instructions in this operating guide.
CAUTION: Injury or equipment damage may be caused if any of these cautions are neglected.
  • Make sure this product meets the voltage and current requirements before installation.
  • The device is intended only for indoor use.
  • The device is not intended to be used as a reference sensor, and Milesight will not take responsibility for any damage which may result from inaccurate readings.
  • The device must not be disassembled or remodeled in any way.
  • Do not place the device close to objects with naked flames.
  • Do not place the device where the temperature is outside the specified operating range.
  • The device must never be subjected to shocks or impacts.
  • To protect the security of the device, please change the device password when first configuring.
  • To prevent heat accumulation, do not block air circulation around the device.
  • Do not clean the device with detergents or solvents such as benzene or alcohol. To clean the device, wipe with a soft, damp cloth. Use another soft, dry cloth to wipe dry.

Revision History

Release Date Version Revision Content
Oct. 20, 2025 V1.0 Initial version.
July 31, 2026 V1.1
  1. Add WT401-Flat-FL model;
  2. Add BLE and BLE+LoRa communication modes for compatibility with UC711 controllers;
  3. Add Dehumidification and Ventilation temperature control modes;
  4. Add button function to cancel BLE pairing.