Testing DOT 3, DOT4, DOT5 brake fluid Alarm Mode: Sound and Light Alarm 2 X 1.5v AAA batteries (not included) – You can use simply a Sunlight battery When water content in brake oil is detected it will display and beep warning You can switch and select brake oil type (Dot3, Dot4, Dot5.1) 3 color backlight warning type (red, yellow, green) Imported by Hotshot Automotive
