Diesel Exhaust Fluid Tester -Instantly assess urea concentration in diesel vehicles to ensure optimal system performance Versatile Compatibility- Suitable for the antifreeze coolant and windshield washer fluids freezing point test to ensure your vehicle is prepared for extreme temperatures Easy toUse --Simple one-button operation for quick and hassle-free testing, direct reading within 3 seconds, easily readable results displayed on the LCD screen Cost-Effective Maintenance - Prevent engine and washer system damage by detecting freezing points early, saving on potential repair costs Compact and Portable- Small and lightweight design for on-the-go testing and convenient storage, sturdy build for long-lasting use in various automotive environments Invest in the protection of your vehicle—get our Antifreeze & Washer Fluid Tester now for peace of mind in any weather! Versatile 5-in-1 tool for comprehensive testing of your vehicle's vital fluids.Instantly measure the urea concentration in your diesel vehicle. Accurate detection of the freeze point of your car's coolant/antifreeze, ensuring your engine is protected in extreme temperatures.