Description : 

Digital LCD Ultrasonic Laser Diastimeter for 60 Feet Electronic Ruler Distance Measurement Tool

Features : 

Improved Ultrasonic Launch Angle Design, Anti-interference Technics Utilization.
Ultrasonic Diastimeter is well known as "Electronic Ruler" which is suitable for Architecture, Decoration, Construction measurement.
Comparing to traditional Flexible Ruler, Ultrasonic Diastimeter can access to further area which traditional one is not capable.

Specification : 

Maximum Accumulative Measure Distance : 180.00M
Maximum Measure Square : 18M x 18M
Maximum Measure Cube : 1800.00Stere
Measure Error : 0.001
Precision : ±0.5%
Resolution : 0.01M or 1\/2 Inch.
Operate Temperature : 0 C - 50 C
Power Supporting : 1 x 9V Alkaline Battery
Frequency : 40kHz.
Size : 150mm x 70mm x 30mm.

Package Includes : 

1 x Ultrasonic Diastimeter
1 x English Manual

Note : 
For more accurate measurement, we highly recommand you to hold diastimeter horizontally or vertically;
Measurement Distance is coming from Laser Point to the BOTTOM of diastimeter.

Details Pictures :