System accuracy: + (0.03+0.01*L) mm L unit: 1meter Repeatability: Max. + 0.01mm Display range: -1999999-9999999 Consumption current: Max.500UA (backlight not opened) Power supply: 3pieces batteries,Batteries not included (AA)(storage) / DC12-24V(for working) Operating temperature: 0 degrees Celsius -60 degrees Celsius Storage temperature: -10 degrees Celsius -70 degrees Celsius Outline size: 96x72x43mm Mobile speed: Max.4m/s Read space: Max.2.5mm, recommended 1.5mm Matching magnetic stripe: TR50 Waterproof grade: digital display IP40, read head IP60 Slight color difference or discrepancy in real life does not affect the use of, Colour:Photo Color Material:plastic Package Contents: 1 x LP20E display sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.