Introduction

This 433MHz bidirectional wireless WiFi fan coil thermostat delivers precise, stable temperature control for HVAC systems. Supporting cooling, heating, fan-only modes and 4-speed fan control, it integrates Tuya/Smart Life APP for remote access. With high-precision NTC sensing, child lock, temperature calibration, and safety protections, it suits homes, offices and hotels. Its low power consumption, flame-retardant casing and standard 86-size design ensure easy installation and reliable long-term use.

Selling Points

433MHz bidirectional wireless communication, stable and long-range transmission

WiFi remote control via Tuya/Smart Life APP, anytime-anywhere management

±1℃ high-precision temperature control for consistent comfort

Multi-mode switching: cooling, heating, fan-only, auto fan speed

Child lock, temperature calibration, overheat & low-temp protection

Clear LCD display with adjustable backlight brightness

Flame-retardant PC+ABS housing, safe and durable

Standard 86mm mounting, easy wiring and installation

Technical Specifications

Temperature Sensor: NTC Thermistor

Power Supply: AC 180–260V, 50/60Hz

Control Accuracy: ±1℃

Power Consumption: < 1W

Temperature Setting Range: 5–35℃

Load Power: < 1000W

Display: LCD, 0–50℃

Communication: 433MHz Bidirectional Wireless

Dimensions: 86×86×17mm

Mounting Hole Distance: 60mm

Housing: PC + ABS Flame Retardant

Working Humidity: 5–95% RH (non-condensing)

Wiring: 2×1.5mm² or 1×2.5mm² cable