Displays current radioactivity rates from 0.00001mSv/h to 4.00000 mSv/h
Displays cumulative radioactive dose from 0.001mSv/h to 9999 mSv/h
Precision +/- 25% over total range
Acoustic and/or visual alarm if a programmable critical level is reached
Besides the radioactivity detection, its also showing the time in a digital and analog display. Hope this watch never becomes standard equipment for survival on this planet.
The watch is sold on the vigiWatch homepage for 1100USD.