One button for basic operation. Has memory recall, with up to 1 readings stored. Cannot mute indicator sounds. Display lacks backlighting, making it difficult to read in a darkened room.

Has memory recall, with up to 9 readings stored. Has selectable age modes. Cannot mute indicator sounds. Display is backlit to help with reading results in darkened rooms. You will get digital ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.