UL/cUL Listed, California CTEP approved. Conform to ANSI C12.1 and C12.20 national accuracy standards. Revenue-grade 0.5% accuracy. Comes with a lower cover which has two 3/4" knockouts to connect ...

It uses the formfactor of the CR-2032 cells and was showcased first ... with 3.2mm in height. The battery capacity is listed by the firm as 4mAh and it has an output voltage of 3V, plus or minus 2%.