AFIODA Automotive Brake Fluid Tester Pen, 5 in 1 DOT3 DOT4 DOT5 Oil Tester, LED Moisture Indicator, Universal Car with Light & Sound Alarm

【5-in-1 Universal Compatibility】Designed to test DOT3, DOT4, DOT5, ENV6 and ENV4 brake fluids, suitable for most cars and light vehicles 【Fast & Accurate Results】Simply immerse the tester pen into the brake fluid reservoir to get instant, reliable readings, helping you know when fluid replacement is needed 【5 LED Moisture Indicator】Clear LED display shows brake fluid condition at a glance: green for good, yellow for caution, and red indicating immediate fluid change 【Durable & Safe Design】Features a nickel-plated metal probe that resists oil, oxidation and corrosion, combined with a non-slip matte housing for long-term use 【Portable & Easy Operation】Compact pen-style design with no cables required, lightweight and easy to carry—ideal for DIY users, garages, workshops and mechanics 【Reliable After-Sales Support】At AFIODA, your satisfaction matters. If you have any questions, our friendly customer service team is ready to help. We’ll respond quickly and work to resolve any issue in an efficient, hassle-free way