• With CE and RoHS Approval. Design to test brake fluid DOT3, DOT4 and DOT 5.1.
• Brands: DOT 3, DOT 4, DOT 5.1, AC Delco, Pennzoili, Prestone, Motorcraft, Toyota.
• There is a switch that can select the brand of brake fluid, it can detect 8 different kinds of brake fluids separately and precisely test the water content in the brake fluid.
• Battery (included): one 1.5V, type AAA.
• Take off the cap: switch on the power by pressing " power " button shortly. " batt 0% " shall light up, LED illumination shall light up. If not, please change the battery.
• Read LED indication: Green: Battery OK.
                                       Yellow: Fluid contains less than 1% of water.
                                       Yellow/Yellow: Fluid contains less than 2% of water.
                                       Yellow/Yellow/Red: Fluid contains about 3% of water, change the brake fluid.
                                       Yellow/Yellow/Red/Red: Fluid contains about 4% of water, dangerous! Change the brake fluid immediately.
• Press " switch " button to change the brand of brake fluid:  (1) Shortly press the "switch" button to change the brand. (2) Press and hold
  " switch " for more than 3 seconds to reset the tester (For example, reset the tester when multiple brake fluid with same brand is going to be tested).
• Dip the tester into brake fluid until the fluid reach the edge of the plastic. (Make sure the two metal probes are fully immersed.) It will take about 1 second to measure the fluid.
• Tester will automatically shut odd after 20 seconds.

• With CE and RoHS Approval. Design to test brake fluid DOT3, DOT4 and DOT 5.1.
• Brands: DOT 3, DOT 4, DOT 5.1, AC Delco, Pennzoili, Prestone, Motorcraft, Toyota.
• There is a switch that can select the brand of brake fluid, it can detect 8 different kinds of brake fluids separately and precisely test the water content in the brake fluid.
• Battery (included): one 1.5V, type AAA.
• Take off the cap: switch on the power by pressing " power " button shortly. " batt 0% " shall light up, LED illumination shall light up. If not, please change the battery.
• Read LED indication: Green: Battery OK.
                                       Yellow: Fluid contains less than 1% of water.
                                       Yellow/Yellow: Fluid contains less than 2% of water.
                                       Yellow/Yellow/Red: Fluid contains about 3% of water, change the brake fluid.
                                       Yellow/Yellow/Red/Red: Fluid contains about 4% of water, dangerous! Change the brake fluid immediately.
• Press " switch " button to change the brand of brake fluid:  (1) Shortly press the "switch" button to change the brand. (2) Press and hold
  " switch " for more than 3 seconds to reset the tester (For example, reset the tester when multiple brake fluid with same brand is going to be tested).
• Dip the tester into brake fluid until the fluid reach the edge of the plastic. (Make sure the two metal probes are fully immersed.) It will take about 1 second to measure the fluid.
• Tester will automatically shut odd after 20 seconds.