Color: Blue

With laser pointer

Foot/Meter display options

Measuring Range: 0.5m to 30m

LCD screen with LED backlight 

Auto shutdown after 15 seconds without pressing any key

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"SET" button: helps to decide whether the length of the device itself should be included in the measurement.

Support sum-up，multiplication and subtraction of 2 measurement data.  

Correction of errors: "Error" is displayed when the actual distance falls out of the measuring range  

Power supply: 1 x 9V Alkaline type 6LR61 Battery (Not included) 

Accuracy: +/-0.5% 

Ultrasonic Frequency: 40 kHz

Working temperature: 0 oC ~ 43 oC

Dimensions (H-P-l): 142 x 73 x 47mm 

Weight (without battery): 144.6g 

Laser beam: Wattage 1mW (mW =milliwatt) 

Wavelength: 650nm (nm =nanometer)