Temperature and humidity sensor Avatto WHS20S with WiFi connectivity, model WHS20S

Avatto WHS20S Tuya IR temperature and humidity sensor combines temperature and relative humidity measurement with Wi‑Fi connectivity and an integrated infrared transmitter. The device displays real‑time readings on a backlit LCD and connects to the Smart Life / Tuya Smart app for remote monitoring, scenario automation and voice control via Amazon Alexa or Google Home. It supports an IR library with thousands of device codes and includes a clock, alarm, stopwatch and countdown timer for daily use.

Advantages

The sensor provides accurate temperature and humidity readings with selectable Celsius or Fahrenheit units and transmits data over 2.4 GHz Wi‑Fi for remote access. Its built‑in 38 kHz infrared emitter enables control of IR appliances at distances up to 10 meters, and the device can share access with multiple users through the Smart Life / Tuya Smart ecosystem. A clear LCD with adjustable brightness shows measurements, time, date and battery level, while optional power via USB or AA batteries adds installation flexibility.

Suitable for

• Monitoring indoor climate in homes and apartments
• Climate control in offices and small commercial spaces
• Environment monitoring for server rooms, cabinets and storage areas
• Controlling IR appliances such as TVs, air conditioners and set‑top boxes

Key specifications

• Temperature measurement range: 0 °C to 60 °C; accuracy ±1 °C
• Humidity measurement range: 0 % RH to 99 % RH; accuracy ±5 % RH
• Infrared frequency: 38 kHz; IR control range: up to 10 m
• Wireless: 2.4 GHz IEEE 802.11 b/g/n Wi‑Fi
• Display: backlit LCD with adjustable brightness showing temperature, humidity, time, date and battery level
• Power supply: 5 V/1 A USB or 3 × AA batteries
• Dimensions: 90 × 78 × 100 mm; weight: 130 g

How to use

Place the Avatto WHS20S in the room where you want to monitor temperature and humidity, avoiding direct sunlight and sources of heat or moisture. Power the device using the included USB adapter or insert three AA batteries. Install the Smart Life / Tuya Smart app on your smartphone, follow the in‑app instructions to add the device to your 2.4 GHz Wi‑Fi network, and complete initial setup including unit selection (°C/°F) and IR device pairing. Once connected, view live readings, set alerts and create automation scenarios through the app or via voice commands with compatible assistants.

Recommendations

For reliable measurements, place the sensor away from windows, heating or cooling vents and humidifiers. Keep the IR transmitter aimed toward the appliances you intend to control and maintain a clear line of sight within the specified IR range. Use USB power for continuous operation in fixed locations and batteries for temporary or portable setups.