HT662 Brake Fluid Tester Sound Light Alarm Digital Car Brake Fluid Oil Tester for DOT3/DOT4/DOT5.1

1.Water Content Value Display: Automatic alarm for excessive brake oil and water content, and support multiple oil detection DOT3\/DOT4\/DOT5.1. High precision metal probe, accurate measurement, long service life, not easy to rust.2.Function Switch Key: After starting, press S key to switch to DOT3\/DOT4\/DOT5.1, and press S button to switch the brake oil type (default is DOT3). Energy saving and low power consumption. After about 5 minutes, without any operation, the instrument will automatically shut down. The back is designed with a portable pen clip for easy carrying.3.Audible and Visual Dual Prompt: When the water content of brake oil is detected, the display screen and buzzer will give dual prompts. The high-definition three color backlight screen automatically matches the backlight of the appropriate color according to the measured content.4. Quality: ABS material, comfortable grip, strong impact resistance, fall prevention, dust prevention and waterproof.Display: LCDMoisture detection range: 0%~4%Accuracy: 0.3%Water content of brake oil: 0~2%, which can be used normallyWater content of brake oil: less than 2.5%, still usableWater content of brake oil: more than 3%, replacement requiredOperating ambient temperature: 0 ~40 Alarm mode: Audible and visual alarmProbe format: OvalBacklight: Red and green backlightMoisture indicator: The buzzer changes from slow to fast, the backlight color changes from green to red, and the value displayed on the LCD changes from small to largeAutomatic stop: After about 5 minutes of automatic stop, there is no key operation and no inductive signalBattery undervoltage indicator: YesPower supply: 2x1.5v AAA battery (not included)Colour:BlackMaterial:plasticPackage Contents:1 x Brake Fluid TesterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.