Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators for DOT3 DOT4 DOT5.1 Brake Fluid, Hydraulic Oil Moisture Analyzer for Auto Engine Checking

Specification:Material: Brass-Plated MetalQuantity: 1 PCSColor: BlackWeight: 27 gSize: 6×0.8 inchesVoltage: 9-15 VFeature: Accurate, Reliable, DurableFit Type: Universal FitIf you are looking for a brake fluid testing pen, then this is the product you need!-The brake fluid test pen is ideal for professional inspections, workshops, garages and home use.-The automotive brake fluid test pen has a smooth surface and is comfortable to the touch.-The lightweight car brake pen is designed with no cable connector, easy to carry and won't take up much space.Notes:-Metal additives in the brake fluid may cause the red light to come on.-Please rinse the test probe with water after each use.-This product does not include AAA batteries, please purchase your own.-The indicator light is green, indicating normal power/no water.-The indicator light is green/yellow, water content is less than 1%.-The indicator light is green/yellow/yellow, the water content is close to 2%.-The indicator light is green/yellow/yellow/red indicates that the water content is close to 3% and it is recommended to replace the brake fluid.-The indicator light is green/yellow/yellow/red/red, indicating that the water content is higher than 4% and the brake fluid must be replaced immediately.

• Sensitive and Accurate: The humidity of your brake fluid affects its performance and how well it works. Our tester is highly sensitive and provides accurate detection of changes in brake fluid water to maximize the assurance that your vehicle's braking system is functioning properly for safe travels
• Easy to Read: Equipped with five LEDs and a metal probe, the practical tester can accurately display the percentage of water in the brake fluid when immersed in the brake fluid during use. The exact state of the fluid level drop can all be accurately reflected in time on the LED indicators
• Quality Material: The probe of the brake fluid tester is made of brass-plated metal, which has excellent oil and corrosion resistance and can cope with various complex working environments. The plastic shell is more anti-slip and wear-resistant, ensuring that the tester will serve you for a long time
• How to Use: This brake fluid tester is easy to operate. Press the top button and immerse the probe into the water tank to quickly test the brake fluid content. According to the LED light display on the test pen, you can quickly and accurately know the water content of your car's brake fluid
• Widely Applicable: The multifunctional automotive brake tester is suitable for most vehicles and a wide range of brake fluid types. It can quickly check the water content of DOT-3, DOT-4, DOT-5.1 brake fluids, and most synthetic brake fluids for your daily use