The brake oil detection pen measures the content of brake oil based on changes in electrical conductivity. To detect the condition of brake fluid.

Features:
It clearly displays the degree of content through -emitting diodes. High content can leadto a decrease in boiling point, affecting brake performances, and can also corrode the brake master cylinder and slave cylinder, causing rust and .
Different color designs, red indicates that the brake fluid needs to be replaced immediately, green indicates fine condition, and yellow indicates acceptable condition, but it is about to be replaced.
This product can be used by both car repairing stores and car owners, with simple, accurate, and quick operation.
Compact size for easy carrying.
Simple and quick measurement, safer driving.

Specifications:
Color: black
Material: plastics+metal
: 1 * AAA (not included)
Item size: 154 * 20 * 20mm
Package size: 215 * 60 * 30mm / 8.5 * 2.4 * 1.2in
Package weight: 35g / 1.2ounce

Packing List:
1 * Brake Fluid Tester