Features: Advanced R134a refrigerants with fluorescent leak detection technology ensures precise sealing and best cooling performances for automotive AC systems. Features a UV reactive formula and self circulating mechanism that quickly identifies secondary leaks through condenser/evaporator inspection under light. Ideal for professional repair man and DIY enthusiasts maintaining cars, motorcycles, or commercial vehicles requiring refrigerants recharges and leak prevention. Perfect for diagnosing hard to find leaks during routine AC maintenance, garage repairs, or emergency cooling system troubleshooting in fluctuating temperatures. Engineered with temperature resistant compounds to maintain stable pressure across all season, delivering strong protection against refrigerants loss in R134a suitable units. Specifications: Material: liquid Size: about 3.3x4x14cm/1.3x1.57x5.51inch Package Includes: 1x AC System Leak Sealer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.