Brake Fluid Tester Auto Car Brake Oil Digital Detecting Pen for DOT3/DOT4/DOT5.1 Accurate Oil Quality Check Sound Light Alarm

Origin：Mainland China Name：HT662 Brake fluid test pen detection：DOT3/DOT4/DOT5.1 Moisture detection range：0%~4% Accuracy：0.3% Brake oil water content 1：0~2%, Can be used normmally Brake oil water content 2：Less than 2.5%, Still can use Brake oil water content 3：More than 3%, Need to replace Alarm method：Sound and light alarm Backlight：Red and green backlight Power supply：2x1.5v AAA batteries(not included) Size：157mmx27mmx23mm

Origin: Mainland China Name: HT662 Brake fluid test pen detection: DOT3/DOT4/DOT5.1 Moisture detection range: 0%~4% Accuracy: 0.3% Brake oil water content 1: 0~2%, Can be used normmally Brake oil water content 2: Less than 2.5%, Still can use Brake oil water content 3: More than 3%, Need to replace Alarm method: Sound and light alarm Backlight: Red and green backlight Power supply: 2x1.5v AAA batteries(not included) Size: 157mmx27mmx23mm