Tested with salt and distilled water, all but 3 were within 1%. These lazy things were 2% cheaper. It was sarcasm, they really impressed me. I have a calendar reminder to test it again in 6 months, I'll try to remember to update this review for accuracy and battery life.
Berrcom JXB-178 Non Contact Infrared Forehead Thermometer: 3 in 1 Fever Check for Kids, Infants, and Adults
62 Review
Room temperature and humidity sensor Aqara Temperature and Humidity Sensor
59 Review
Precise Humidity Control With Xikar PuroTemp Round Digital Hygrometer, 10-Second Refresh Rate
27 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
🥛 Electrolux EACS-12HG2/N3 Split System Air Conditioner with Milk Cooling Feature
12 Review
White Senville Dual Zone Mini Split Air Conditioner Heat Pump, 28000 BTU, Alexa Compatible - SENA-30HF/D
21 Review
Split system Roda RS-AL09F / RU-AL09F
37 Review
🥶 LG TC09GQR Split System Air Conditioner - White
11 Review