-Wheel size: 0.314meter(12-23/64") circumference; 0.1meter(3-15/16") daimeter
-Measure range: 99,999.9 meters/feet/yards
-Wheel Accuracy: 99.9%
-Wheel Composition: High-impact plastic; TPE rubber tire
-Maximum Speed: 13Km/h
-Product Weight: 0.5kgs
-Length(extended): 1100mm
-Length(contracted) :520mm
-Power: Four AAA Duracell batteries
-Battery Life: Approx.400+hours of actual usage
-Auto Shut-off: 3 min.
-Keypad: 5 keys
-Operating Temperature: 14-140 deg.F(-10-60 deg.C)
-Display Type: LCD segment; 6 digital ( up to 99,999.9)