Pocket Laser Power MeterThis tiny laser power meter from Sanwa is less than thick and weighs less than 4 oz. (120 g). The controls, display and sensor are all neatly contained and protected within the folding case with directions printed right inside the cover. When open, the sensor may be extended for remote use or snaps into a fixed position atop the case. Unit features min max, bar graph display, auto power off, and hold functions and indicates low battery and over range.