monotaro Battery Tester, Hydrometer 1pc

Since it is made of glass, check the displayed contents firmly.
For checking battery fluid.
* This product is a device that measures the state of charge of the battery. Do not use it for anything other than its intended purpose. * The battery fluid is dilute sulfuric acid. Contact with skin or eyes may result in burns and blindness. If it gets on your skin or eyes, wash it off immediately and consult a doctor. * If this product is damaged or has any abnormalities, please stop using it immediately. . *Keep out of reach of children. * The specific gravity value of a battery that is insufficiently charged will decrease. Please measure the specific gravity value after the battery is fully charged. * The main body is made of glass. Please handle with care so as not to drop or hit when using. * After using this product, wash away the liquid with water or wipe it off with a cloth dampened with water. Even a small amount of residue will cause inaccurate results in the next measurement. * Wash your hands thoroughly after handling this product. * Avoid direct sunlight and store in a place with little humidity and dust.