Ultrasonic Distance Measurer

1.Three memories for length,width,and height

2.Adds and subtracts between the stored datas.

3.One touch of calculation of volume and area.

4.Measures form 2ft-60ft(0.61-18.3)

5.Meter or feet conversion

6.Accuracy:±0.5%±1 digit

7.Auto power off

8.Back-light for use in darkness

9.Low battery indication

10.One 9v battery required

11.Unit Size:155*70*40mm