allows for fast programming. Counts up or down for 99 minutes in intervals of 1
second. Clear audible ring at 0. Comes with a belt clip for carrying; a
flip-open easel for standing on bench; and a magnetic backing for mounting on
refrigerators, incubators, etc. Operates on 1.5V silver oxide battery.
Dimensions: 2-1/2" x 2-5/8" x 5/8". Traceable® Certificate is
provided. It indicates traceability to standards provided by NIST (National
Institute of Standards and Technology)