Brake Fluid Tester Pen (Automotive Diagnostic Tool, Oil Quality Checker), Digital Readout Identifies Brake Fluid Issues, Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool, By Meiiso

Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool
Features:
Brake detection pen is based on the change in conductivity to determine the change brake .
green represents good condition, yellow indicates the state is acceptable but soon replaced.
Red indicates the brake needs replacement
It shows clearly the extent of contained by the light-emitting diode, high content will to lower boiling point, affect braking performance,
Check Pen Tool
Product Description:
Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool
Material: Plastic
Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!)