Laser Distance Meter Measure distance from 0.5m to 18m Area,Volume,Addition,subtraction,calculation,data storage,Feet/meter LCD with backlight Is a perfect tool to quickly know the distance, area and volume of a room With laser point aiming to see the target that you want to measure the distance It measures the time taken by the waves to reflect and then calculates and re-transcribes the distance Very portable and convenient to use Features: Measure distance from 0.5m to 18m Area,Volume,Addition,subtraction,calculation,data storage,Feet/meter LCD with backlight Is a perfect tool to quickly know the distance, area and volume of a room With laser point aiming to see the target that you want to measure the distance It measures the time taken by the waves to reflect and then calculates and re-transcribes the distance Very portable and convenient to use! Specifications: Power:1 x 9V Unit of measurement feet or meter Accuracy:+/-0.5% +/-1cm Working frequency:40kHz Working temperature:30℉ to 109.4℉(0℃ to 43℃ ) Range 2 to 60 ft(0.6 to 18m) Resolution:1cm or 1/2 inch Size:15 x 7 x 5cm(L x W x H) Color:Orange Net weight:135g Package weight:155g