Car Battery Hydrometer Tester Deep Cycle Battery Tool Acid Quality Analyzer Density Tool RapidTester Fast Detection Tool vehicle car hydrometer tester rapid-tester fast detection tool acid quality analyzer density toolsFeatures:Easy to operate accuracy, easy to read.Quality material, has long service life.Widely applicable for various vehicles.Great for use by professional techs-, mechanics, anyone else.Specifications:Package Includes:1x HydrometerNote:Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.