Features: Ensure brake system performances with the Brake Fluid Tester, featuring a high precisions sensors for accurate moisture content detection in brake fluids. This tool making it portable and easy to store, perfect for maintaining your vehicle safety. Ideal for automotive technicians, car owners, used car appraisers, and automotive enthusiasts who prioritize safety and precisions in vehicle maintenance. Use it during routine vehicle maintenance or before purchasing a used car to assess the condition of the brake fluid and ensure the reliability of the braking system. The tester provide clear feedback on brake fluid quality, ensuring you stay inform about your vehicle's brake health. Specifications: Material: PP, Metal Working Current: 4-30mA Working Voltage: 1-1.5V Battery: 1pc 3A Battery Requires(NOT Include) Size: About. 15.3x2.5x3cm/6.02x0.98x1.18in Package Includes: 1pc Brake Fluid Tester note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.