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
Xiaomi Mijia Temperature And Humidity Electronic Watch, white
50 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
UL Certified 120V Unheated Awoco 48 Super Power 2 Speeds 1650CFM Commercial Indoor Air Curtain With Free Door Switch
23 Review
White Senville Dual Zone Mini Split Air Conditioner Heat Pump, 28000 BTU, Alexa Compatible - SENA-30HF/D
21 Review
Stay Cool With COMFYHOME 3-In-1 Portable Air Conditioner - Efficient Evaporative Air Cooler For Home And Office
11 Review
Senville AURA: Energy Star Mini Split Heat Pump W/ 9000 BTU & Alexa Compatibility
13 Review