1. Multi-function ultrasonic distance measurer with laser point. Perfect for realtors, builders, and anyone who needs a measurement or rooms area quickly.
2. Range: 0.55 - 18.288m (2-60ft)
3. Accuracy: 0.5% +1 digit (2-60ft)
4. Working frequency: 40 kHz
5. Working temperature: - 32 Degree F to 109.4 Degree F (0 Degree C - 43 Degree C)
6. Feet/meter switch
7. LCD with backlight
8. Automatic power off
9. Three memories
10. Area and volume calculation
11. Addition and subtraction functions
12. Memory clear function
13. Error confirmation
14. Powered by 1 x 6F22 9V battery (not included)