1. With laser pointer and 1 meter tape measure
2. Foot/meter display options
3. Area/volume calculator
4. Measuring range: 0.5m to 18m
5. Large LCD screen with LED backlight
6. Auto shutdown after 15 seconds without pressing any key
7. Correction of errors: 'error' is displayed when the actual distance falls out of the measuring range
8. Power supply: 1 x 1.5V 23A batteries (not included)
9. Accuracy: +/-0.5%
10. Ultrasonic frequency: 40kHz
11. Working temperature: 0°C-43°C
12. Dimensions (H-P-l): 70 x 40 x 40mm
13. Weight (without battery): 60g
14. Laser beam: wattage 1mW (mW =milliwatt)
15. Wavelength: 650Nm (Nm =nanometer)