Everything seems to read within a percent/degree or two of each other. The only problem was that ten of the twelve had a strip over the batteries that you remove to activate the batteries. The two that didn't have the strip ran out of batteries.
Berrcom JXB-178 Non Contact Infrared Forehead Thermometer: 3 in 1 Fever Check for Kids, Infants, and Adults
62 Review
Xiaomi Mijia Hygrometer Bluetooth Global Thermometer, white
32 Review
Room temperature and humidity sensor Aqara Temperature and Humidity Sensor
59 Review
Wintact Handheld Anemometer Small Digital Vane Wind Speed Meter Gauge, Pocket Air Flow Velocity Tester With Measuring Wind Temperature 14℉ To 113℉ For House HVAC Duct Outdoor Kite Boat Sailing Surfing
18 Review
COMFYHOME 3 IN 1 Portable Evaporative Air Cooler - 60°Oscillation, 12H Timer & Remote, Windowless Room AC For Bedroom Home Office
11 Review
Stay Cool With COMFYHOME 3-In-1 Portable Air Conditioner - Efficient Evaporative Air Cooler For Home And Office
11 Review
🥛 Electrolux EACS-12HG2/N3 Split System Air Conditioner with Milk Cooling Feature
12 Review
Split system Roda RS-AL09F / RU-AL09F
37 Review