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Return To Shop$188.00
5 in stock


Powered by its split-unit design, enjoy wire-free installation in minutes, eliminating the cost and disruption of re-wiring for any retrofit project.
Place the thermostat in the ideal spot for perfect comfort, no longer locked by wires, ensuring truly accurate environmental sensing.
Supports BLE, LoRaWAN®, and Powerbus, enabling seamless integration and stable communication across various deployment scenarios.
Engineered to master a wide range of HVAC systems, with a special focus on PTACs, Mini Splits, and TRVs.
Leverage the built-in PIR sensor for automatic energy savings based on real-time occupancy.

Explore how the WT401 seamlessly integrates into your specific environment.

Benefits:
Keep your thermostats secure and up-to-date with the latest features via FUOTA, eliminating the need for costly site visits.
Combines PIR occupancy detection with up to 8 customizable local schedules to create a powerful, automated climate control strategy.
Use NFC for rapid, one-tap configuration, or pre-configure your entire fleet via the Milesight Development Platform.
Send commands to hundreds of devices at once using Multicast (Class C), perfect for making property-wide adjustments with a single click.
Switching on/off and configuring the device via NFC technology from a mobile phone or PC

Install the
Milesight ToolBox

Enable NFC and run ToolBox,
then attach your phone to the device

Verify the password
and start configuring
Wireless Transmission
Technology: LoRaWAN®
Antenna: Internal Antenna
Frequency: IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power: 16dBm (868MHz)/22 dBm (915 MHz)
Sensitivity: -137dBm
Mode: OTAA/ABP Class A/Class C
Thermostat Feature
Compatibility: Work with most HVAC systems via LoRaWAN®
Work with PTAC (2H/1C), Boilers, Furnaces or Heat Pumps (2H/1C) viaMilesight UC711
1 HVAC controllers
Work with radiators via Milesight WT101/WT102 thermostat
Temperature Control Mode 2: Heat, EM (Emergency) Heat, Cool, Auto
Fan Mode 2: Low, Medium, High, Auto, On, Circulate
Advanced Feature: Local Control Schedule
Sensor
Temperature
Operating Principle: Digital CMOSens® technology (MEMS)
Range: -20°C ~ 60°C
Accuracy: Typical ± 0.2°C, Maximum ± 0.5°C
Resolution: 0.1°C
Humidity
Operating Principle: Digital CMOSens® technology (MEMS)
Range: 0% – 100% RH
Accuracy: Typical ± 2% RH, Maximum ± 5% RH
Resolution: 0.5% RH
PIR
Detection Area: 120 ° Horizontal, 90 ° Vertical
Detection Distance: Maximum 6 m
Others
Display: 2.7-inch Black&White E-ink Screen
Buttons: 5 Buttons for Power On/Off, Reset, System On/Off, TemperatureUp/Down, Temperature Control Mode, Fan Mode, etc. LED Indicator 1 x Power/Reset Indicator
USB: 1 × Type-C for Power Supply or Console
Power Connector: 1 × 2-pin Power Terminal Connector (PowerBus)
Software
Power On/Off: Button, Mobile App via NFC
Configuration: Mobile App via NFC or Bluetooth® 5.0, Downlink
Advanced Feature: Occupied Detection, Smart Display, Child Lock, Button Customization, External Sensor Mode, Multicast, FUOTA
Physical Characteristics
Power Supply 3: 1. 2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
2. AC/DC 24V by Power Connector
3. DC 5V by Type-C Port
4. Powerbus (DC 24V) by Milesight HAVC Controller
Battery Life 4: (10 min report interval)
Class A: 5.2 years (SF7, EU868), 3.3 years (SF10, EU868), 4.8 years (SF7, US915), 2.7 years (SF10, US915)
Class C: Around 25 days
Operating Temperature: -20°C ~ 60°C (E-ink Screen: 0°C ~ 40°C)
Relative Humidity: 0% to 95% (non-condensing)
Ingress Protection: IP30
Material & Color: PC + ABS (UL94 V0), White
Dimension: 86 × 86 × 24 mm
Installation: Wall Screw Mounting, 86mm Square or European 60mmRoundBoxMounting, 118 or 120 Wall Box Mounting via Wall Plate Accessories
1 : Milesight UC711 HVAC controller is under development.
2: The temperature control mode and fan mode are decided by the Milesight HVAC controller when WT401 is pairingwithit.
3: These power supply options can not be used at the same time.
4: The battery life is tested under laboratory conditions and for guideline purposes only.