Detailed Product Description Item NameOil and Water CalculatorModel NO.HJ-Y106Unit Weight54gStyleDesktopUnit Size11.5x6.7x1.8cmMaterialABS plus ... batteryFeatures8digits,battery-operated, durable silica gel keys, compartment filled with oil and water, foot on the back,the color of product,liquid, floaters ... .Promotional gift using in commercial activity .3.Customized Logo ,design and size available !