Review on Adtemp 429 Non-Contact Infrared Thermometer - White, ADC by Tom Lantz

1) I have arthritis in my thumbs and after many tries I could not remove the battery cover. I had to ask a neighbor to open the battery door for me. 2) I couldn't get the right temperature with this and compared the results with my old digital thermometer under my tongue. 3) On Thursday I was at the doctor's appointment and asked them to check the accuracy etc and I had the box and the instructions. The thermometer doesn't work properly and we didn't use the Celsius scale. The temp was between 3 and 8 degrees compared to my old thermometer and the thermometer they used at the doctor's office to test accuracy for me. 4) I've tried returning it to Revain and now I've found it can't be returned. Warning in the product description.