Multi-function ultrasonic distance measurer with laser point. Perfect for realtors, builders, and anyone who needs a measurement or rooms area quickly. 1. Range:0.55 - 18.288m (2-60ft) 2. Accuracy: 0.5% +1 digit (2-60ft) 3. Working frequency 40 kHz 4. Working temperature - 32?°F to 109.4?° (0?°C - 43?°C) 5. Feet/meter switch 6. LCD 7. Automatic power off 8. Three memories 9. Area and volume calculation 10. Error confirmation
