Colour: Black Material: plastic 1. EFFORTLESSLY TEST YOUR ANTI FREEZE MIXTURE: Antifreeze, also known as coolant, is designed to prevent water from freezing in cold climates and to avert your engine from overheating, which can lead to mechanical breakdowns and engine failure; Avoid these issues by testing your coolant mixture with this Deluxe Car Antifreeze Coolant Test Kit. 2. BUILT TO LAST: Made from premium plastic and rubber materials, this antifreeze tester is designed to evaluate freezing and boiling temperatures of your coolant to water solutions; The rubber bulb and 5.5-inch (14 cm) rubber tube simplify the process of sucking liquid into the small plastic reservoir; Easy-to-read stickers enable testing of the solution and provide instructions; Rinse out with water after each use for accurate readings. 3. CLEAR TESTER FOR VISUAL INSPECTION: Featuring a clear reservoir, it allows you to check the condition of the antifreeze in your vehicle; Inspect the color for any rust, sludge, or other sediments. 4. EASY TO READ HYDROMETER SCALE: The clear capsule contains pointers that measure the freezing and boiling points of the liquid in both Celsius and Fahrenheit; These pointers are easier to read than standard coolant test strips, as you do not need to focus on the color or pH balance to understand the freezing and boiling points of your solution; One side of the tester is labeled with freeze point scale while the other side is labeled with boiling point scale. 5. COMPATIBLE WITH ALL ETHYLENE GLYCOL ANTIFREEZE: Functions with all ethylene glycol coolants including certain types; This tester provides immediate results on the freezing and boiling points of your coolant to water mixture; Use your vehicle manual and geographical location to determine the best mixture for your vehicle. Package Contents: 1*Car coolant tester Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the image to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.