Features:
Measure distance from 0.5m to 18m
Area，Vollume，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 include:
1 x Ultrasonic Rangefinder
1 x user\'s manual(English)