Brake Fluid Liquid Tester Pen With 5 LED Car Auto Vehicle Tools Diagnostic Tools 100% Brand New & High Quality Brake Fluid Liquid Tester 5 LED Car Vehicle Testing ToolNote : This product comes without retail boxes,We put in a safe packaging!Tester Features:Five LED indicators show the test results more accurate.Testing DOT 3, DOT4, DOT5 brake fluidPress the switch to turn on the power, the green LED light that represents the battery properly, the green light does not shine on behalfTo replace the batteryAutomatic shutdownTechnical parameters:Green: Battery OK, that is, brake fluid does not contain waterGreen / yellow: brake oil in water content of less than 1%, better brake fluid performance, ease of use.Green / yellow / yellow: brake oil in water content of about 2%, brake fluid can continue to use.Green / yellow / yellow / red: brake oil in water content of about 3%, the proposed replacement of brake fluid.Green / yellow / yellow / red / red: brake oil in water content of at least 4%, the brake fluid must be replaced immediately responsible for very dangerous.Tester Specification:1, check the car brake oil quality2, 5 LED lights display the percentage of moisture content in brake fluid3, auto power off4, 1 LR03 AAA batteries (not included)Tester Instructions:Brake fluid detection pen is based on the change in conductivity to determine the moisture change brake fluid.It shows clearly the extent of moisture contained by the light-emitting diode, high moisture content will lead to lower boiling point, affect braking performance.Red indicates the brake fluid needs immediate replacement,Green represents good condition,Yellow indicates the state is acceptable but soon replaced.1, the green LED lights = water content in the brake fluid H2O 3%, can not continue to use the brake fluid needs to be replaced Red LED: change brake fluid4, LED red flashing: battery replacement5, LED yellow: low moisture content, check again in six months6, LED green: brake fluid lines / cell rowPackage Included:1 x Brake Fluid Tester If any damage during shipping when you receive the package, please feel free to contact us and better to send us the photo of damaged item, so we can check what happened and make the best solution for you. Shipping Information 1. We only ship to the confirmed address provided by PayPal. Before you pay, please make sure your address in PayPal matches the address you would like us to ship to.2. Import duties, taxes and charges are NOT included in the item price or shipping charges. These charges are the buyer's responsibility.3. The items will be ship out soon when received a verified payment (Max. 3 business days).4. This item is usually shipped from US warehouse or Asia warehouse.5. Ship worldwide, usually need 30–50 business days (to the US about 12-24business days).6. We try our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the local custom and post service. If you do not receive your item on time, please contact us immediately for further assistant. We will responsible for any damage or losses incurred in the shipping process. Return & Refund Policy 1. If you are not satisfied with the item for any reason, please contact us within 5 BUSINESS DAYS after receiving the item.So we can arrange something for you such as a refund or exchange, subject to availability, after we receive the item back in good and unused condition.2. Return shipping cost is your responsibility. We reserve the right to 'NOT refund' if you leave a negative feedback BEFORE contacting us.3. If you are satisfied with our products and services, please leave your good comment in detail rating of your order. Your recognition will make us more confident to develop business and serve you better.Customers' satisfaction is the most important thing for us. Any problems could be solved through communication. Thanks For Taking Your Time and Have A Great Day!