AUTOOL AS502 Digital Display Intelligent Car Brake Fluid Tester Water Content Testing 1. High sensitivity: Brake fluid detector with 260 mm gooseneck probe for flexible detection. 2. Stable performance: Chrome-plated detector is resistant to oil and oxidation. 3. Accurate Assessment: Better than traditional methods that are difficult to provide accurate data, accurate assessment of oil performance. 4. Brake pressure was transmitted by brake fluid, the pressure transmitter will out of function once brake fluid includes too much water. In order to safe-driving, we must test the water ratio scale in brake fluid regularly. The brake fluid tester helps us do current maintenance, and make sure we drive in safety condition. 5. Humanized handheld design: the handheld part of the body is made of silicone material, which has excellent feel and lightweight design, and can be easily operated with one hand.