The Automotive antifreeze Electrolyte Hydrometer is an essential tool for anyone working with car batteries. It offers a range of functions, including measuring the specific gravity of battery electrolyte and the density of antifreeze fluid. Its high-precision sensor accurate and dependable measurement results. The user-friendly interface makes it easy to operate, even for beginners. Its compact and lightweight design allows for easy portability, making it a convenient tool to have on hand. Features -Color:Multicolor -Material:ABS -Size:25.50X6.50X4.00cm/10.02X2.55X1.57in -Measuring range: 1.10-1.30 -Measures the specific gravity of the electrolyte in car batteries and the density of antifreeze fluid using a suction-type device. -Equipped with a high-precision sensor to ensure accurate and reliable measurements. - Features a user-friendly interface that is suitable for individuals with varying skill levels. -Designed to be compact and lightweight, allowing for easy portability and convenience. -A versatile battery testing tool that can effectively analyze the electrolyte and antifreeze fluid in car batteries. Package list: 4 x antifreeze tester