This digital brake fluid tester pen is designed to check the quality of brake fluid quickly and easily for all vehicles.

• Material: Plastic with light emitting diode technology

• Size: 15.5 x 2.5 cm (6.1 x 1 in)

• Weight: 30 g (1.4 oz)

• Powered by 1 x LR03 AAA 1.5V battery (not included)

• 5 LED indicators show the percentage of water in the brake fluid

• Automatic power off feature

• Compact and lightweight for easy carrying