BF200 Relieve hidden dangers! A variety of features in one, to protect your driving safety. Rapid detection, with sound alarm prompt. Support DOT3/4/5.1 switchable. Universal Probe Twistable ; Accurate testing with Rapid response Easy to handle by one hand, in hand. High resolution with Highly discernible High Sensitivity Probe: With advanced high-quality sensors, it is highly sensitive and quick to respond, convenient to use. The BF200 is a hand-held vehicle inspection device that detects whether the brake oil needs to be replaced by detecting the water content in the brake fluid. It can be used to detect the brake oil DOT3, DOT4, DOT5.1, and the user can use it according to his own testing needs. Sound Alarm: When the moisture content of the brake fluid is detected to exceed the standard, alarm be sounded to replace the brake fluid. Water Content Description: LCD display the test result to tell you the quality of brake fluid. To DOT3: lower than 1% High Purity To DOT4: lower than 2% Status is acceptable To DOT5: higher than 4% Need to Replace High Resolution Screen: Display the clear test result even in the dark night, as well as in the brightest day. Non-slip Design: Fit for one hand operate, easy to use. Removable Battery Cover: Easy to replace the batteries, energy save design. High Resolution Screen: Clear diplay the test result, no matter in glare environment or dark environment Universal Probe: and can be twisted, convenient and flexible. Model:BF200 Name:Brake Fluid Tester Size: 6.14 inchx2.17 inchx0.94 inch Temperature:-10-50 Battery:2xAAAA batteries (not included) Test Range:DOT3,DOT4,DOT5.1 Display:High resolution screen Color:As Shown Material:plastic Package Contents: 1 * BF200 Brake Fluid Tester kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.