wuyaoyao Coolant Tester Accessory, Dial Type Car Antifreeze Hydrometer, Automotive Antifreeze Tester for Ethylene Glycol Coolant with °C and °F Display, Universal Car Accessories

【Practical Functions】: This tester accessory is mainly used to measure the concentration of automotive coolant and antifreeze, and quickly detect the freezing point and boiling point. It helps to guarantee stable operation of the car cooling system in both hot and cold weather, avoiding damage to the engine.

【°C & °F Display】: It features a synchronized display with dual dials for °C and °F, so you can easily read the results no matter which temperature unit you're used to. Equipped with a high-precision sensor, it measures accurately and responds quickly, so you'll know the status of your coolant instantly.

【Reliable Materials】: The coolant tester is made of high-quality plastic and rubber, which is durable with excellent resistance to abrasion, corrosion and temperature. The clear-colored reservoir also allows you to check the color of the fluid and whether there are any rust, sludge or other deposits.

【Easy to Use】: Using this product is easy, with short operating time and fast results. All you need to do is to insert the rubber hose into the coolant reservoir, draw the coolant until it reaches the marked line on the tester's body, and then read the pointer to get the result.

【Compact Design】: Our product is a practical helper for car maintenance, suitable for most vehicles and can be used for various coolants and antifreezes. It is compact and easy to carry, storing in the toolbox without taking up too much space, convenient for you to check the coolant at any time.