1. Display Type:  LCD segment; 7 digits(up to 999,999.9)

2. Handy Start/Stop Mode (prevents accidental measurements)

3. Bright Orange "safety" Color

4. Smart Wheel (automatically includes wheel radius for accurate wall-to-wall measurements)

5. Wheel Accuracy:  99.9%;  measuring accuracy:  99.9%

6. Manual Power ON/OFF, Auto power off after 3  minutes

7. Units conversion: Meters/Feet/Yards,m² /ft² /yd² /Acre ,m³ /ft³ /yd³

8. Wheel size: circumference: 1m (39-3/8 ); diameter: 0.318m (12-9/16 )

9. Wheel Composition: High-impact plastic; TPE rubber tire

10. Product Weight: 1.8kgs

11. Length(extended): 1122mm;  Length(contracted): 620mm

12. Power: Four AAA batteries(included).

13. Maximum Measuring Speed: 13Km/h

14. Control Panel Located Near Handle (so you dont have to stoop over to read it)

15. Area or Volume can be automatic computed by calculator inset

16. With backlight for reading in dark place.

Digital Measuring Wheel