Description: CP-3000 LCD Digital 18M Ultrasonic Laser Pointer Distance Measurer Rangefinder Meter Tester Specifications: 1.Distance measurement: 2 feet - 60 feet (0.5m to 18m) 2.With laser pointer， LCD screen with LED backlight 3.Calculation of area!#!amp!*!amp;volume 4.Foot\/Meter display options 5.Memory: can store 3 measurement data for calculation of area and volume 6.Support sum-up， multiplication and subtraction of 2 measurement data. 7.All stored measurement data can be cleared. 8.Frequency: 40khz 9.Power supply: 1 x 9V Alkaline type 6LR61 Battery (Not included) 10.Accuracy: +\/-0.5% 11.Working temperature: 0 C ~ 43 C 12.Laser beam: Wattage 1mW (mW =milliwatt) 13.Wavelength: 650nm (nm =nanometer) 14.Dimensions (L-W-H): 150 x 55 x 30mm \/6!#!amp!*!quot; x 2.2!#!amp!*!quot; x 1.2!#!amp!*!quot; 15.Color: Red Note: Correction of errors: !#!amp!*!quot;Error!#!amp!*!quot; is displayed when the actual distance falls out of the measuring range.Auto shutdown after 15 seconds without pressing any key . Do not shoot laser beam to eyes. Package included: 1 x Ultrasonic distance meter 1 x Instruction Manual ( The Battery is not included ) Details pictures: