Digital Measuring Wheel

Digital Measuring Wheel Features Measures up to 999,999.9Meters/Feet/Yards Bright Orange "Safety" Colour99.9% Measuring Accuracy Large LCD display for easy reading Control Panel Located Near Handle (so you don't have to stoop over to read it) Display backlight (for use in darkly-lit areas) Handy Start/Stop Mode (prevents accidental measurements) "Smart Wheel" (automatically includes wheel radius for accurate wall-to-wall measurements) Area or Volume can be automatic computed by Calculator in setsUnits conversion:Meters/Feet/Yards,m2 /ft2 /yd2 /Acre ,m3 /ft3 /yd3 Auto power off after 3 minutes SpecificationsWheel size 1 meter(39-3/8" ) circumference;0.318 meter(12-9/16" ) diameter Measure range 999, 999.9 meters/feet/yards Wheel Accuracy 99.9% Wheel Composition High-impact plastic;TPE rubber tire Maximum Speed 13Km/h Product Weight 1.8kgs Length(extended) 1122mm Length(contracted) 620mm Power: Four AAA Duracell batteries are needed. Battery Life Approx.400+ hours of actual usage Auto Shut-off : 3 min. Keypad 12 keys Operating Temperature 14-140 deg.F(-10-60 deg.C) Display Type LCD segment;7 digits(up to 999,999.9), Accuracy 99.9% measuring accuracy