ANTIFREEZE TESTER: The optics antifreeze tester is a convenient tool can help you to check your automobiles' battery fluid battery acid, antifreeze coolant, windshield water fluid to protect your cars.
PORTABLE and DURABLE: This antifreeze tester is made of non-staining aluminum and ABS rubber, durable and resistant to abrasion. lightweight,Made with highest and finest quality of aluminum & rubber.
ATC FUNCTION : Antifreeze coolant refractometer Fully Equipped with ATC, Automatic Temperature Compensation, automatically adjust or ambient shifts in outdoor temperatures, while still yielding accurate results.