Item No.: C19B155
.Measure distance, both for instant and continuous measurement
.Can select imperial and metric units
.Calculate sum, area and volume
.Ultrasonic Distance Estimator
.Measure Range :0.5~18m
.Measure Accuracy：±(1%  + 1LSD)
.Material:ABS
.Size：147(L) x 69(W) x 45(H)mm
.Weight:119g(Without Battery)
.Power Source: 9V *1pc(include)