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Two small white rectangular sensors with rounded edges

eMylo AF643 WiFi Thermometer Hygrometer 2-Pack White

SKU CH-PHMR-JKR7Q

Wireless indoor sensor pair tracks temperature from -4 °F to 140 °F and humidity 0–100 % with ±1.8 °F accuracy, sending alerts and Alexa voice data via 2.4 GHz WiFi

  • Battery runtime4 x AAA Batteries
  • Measuring range-4 degrees fahrenheit to 140 degrees fahrenheit
  • Accuracy±1.8 °F, ±5%RH
  • Operating conditions-4 degrees fahrenheit / 140 degrees fahrenheit
  • Storage conditions-4 degrees fahrenheit to 140 degrees fahrenheit
  • Product typeTemperature Humidity Sensor*2
  • Monitor remotely via 2.4 GHz WiFi without a gateway
  • Receive instant app alerts when temperature or humidity exceeds your set range
  • Control and query readings hands-free with Alexa or Google Home
  • Export up to one year of temperature and humidity history for analysis
  • Two sensors included for multi-room coverage in white finish

Two-Pack WiFi Temperature Humidity Sensors

This two-pack provides a pair of wireless indoor sensors that measure temperature and humidity. Each unit connects directly to a 2.4GHz WiFi network without a separate gateway. The sensors are designed for home, bedroom, greenhouse or cellar monitoring and integrate with the Smart Life or Tuya smartphone app for remote viewing.

2.4GHz WiFi Only — No 5GHz Support

The sensors operate exclusively on 2.4GHz WiFi and will not connect to 5GHz networks. Measurement range spans -4°F to 140°F for temperature and 0% to 100% relative humidity. Stated accuracy is ±1.8°F for temperature and ±5%RH for humidity. Data history can be viewed and exported for up to one year through the app.

Check Router Band and Power Source

Before ordering, confirm that your router broadcasts a 2.4GHz SSID, as the devices cannot join 5GHz-only networks. Each sensor requires two AAA batteries, which are included in the package. The app requires a smartphone with Bluetooth enabled for initial pairing and a Smart Life or Tuya account for cloud connectivity.

How it compares

Measured against everything we stock in Digital Thermometers & Hygrometers, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 81% of the 925 comparable items (median $23.99).

Specifications

Product
Brand nameeMylo
Part numberAF643
Product typeTemperature Humidity Sensor*2
Product colorWhite
Performance
Accuracy±1.8 °F, ±5%RH
Power
Battery runtime4 x AAA Batteries
Size & build
Product weight0.28 lb (0.13 kg)
Environment & compliance
Operating conditions-4 degrees fahrenheit / 140 degrees fahrenheit
Storage conditions-4 degrees fahrenheit to 140 degrees fahrenheit
More details
Measuring range-4 degrees fahrenheit to 140 degrees fahrenheit

Questions about this item

Should I pick the single unit or the 2-pack for monitoring two rooms?

The AF643 is sold as a 2-pack containing two white sensors so you can place one in each room and view both from the same app.

What does the ±1.8°F accuracy mean when I check the living-room temperature?

The reading you see on the app will be within 1.8°F of the actual room temperature across the -4°F to 140°F range.

Will the 2.4GHz WiFi connection limit where I can put the sensors?

Each sensor connects directly to your 2.4GHz network without a gateway; 5GHz networks are not supported, so place them where that band reaches.

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