Why Choose our Brake Fluid Tester ? 1.support DOT3, DOT4, DOT5.12.with high precision sensor3.with highligh LED Display4.supports mulit type Fluid test5.with replaceable battery design6.supports detect water content7.supports high precision measurement8.with highly sensitive probe9.with super easy operation Type1 : KINGBOLEN BF200 Brake fluid oil tester with Screen disaplay Advantages of BF200brake oil tester with screen : 1. Sound AlarmWhen the moisture content of the brake fluid is detected to exceed the standard, alarm will be sounded to replace the brake fluid. 2. 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 TIPS:In order to ensure good braking performance, It Is recommended when measuring the oil Index to reach the range of >3, Please change the brake oll in time to protect your drlving safety. 3.Support multiple types of brake fluid in one tool OT3 /DOT4/DOT 5.1 Brake Fluid Oil 4. High Resolution Screen Display the clear test result even in the dark night, as well as in the brightest dayThe Advantage of KINGBOLEN BF100 Brake Fluid Tester : 5.Advantage of BF200 Brake Oil tester : 1. Non-slip Design Fit for one hand operate, easy to use. 2. Removable Battery Cover Easy to replace the batteries, energy save design. 3. High Resolution Screen Clear diplay the test result, no matter in glare environment or dark environment 4. Universal Probe Durable and can be twisted, convenient and flexible.The Parameters of OBDResource BF 200 Brake Fluid Tester : Model: BF200 Name: Brake Fluid Tester Material: ABS Size: 6.14 inch*2.17 inch*0.94 inch Temperature: -10C~50C Battery: 2 pcs AAAA batteries (not included) Test Range: DOT3 DOT4DOT5.1 Display: High resolution screen Color: Gray and black