Features 1Function: The tester kit allows you to change coolant and test for leaks in your vehicle's cooling system, including the radiator, heater core and radiator cap. 2Unique Design: Color coded radiator test cap makes it easy to choose the suitable test cap for the job, special design of vacuum purge and refill tool connection, test range 035psl (02.5bar). 3Easy Operation: Tester helps detect internal and external leaks. Thumb operated relief valve for quick and easy pressure release and self locking quick disconnecting components. 4Application: This leak detector can help you find leaks inside and outside your cooling system, giving you the tools you need for cooling system leak testing and coolant filling. 5Before Operation Note: If the temperature is too high, you may get scalded. Before you open it, make sure the tank is cool when you use it. Specification Item Type: Car Water Tank Detector Material: Metal alloy, ABS Pressure Gauge Test Range: 0-35psl (0-2.5bar) Application: Universal fit for cars Package List 1 x Water Tank Leak Detector Kit (18 pcs) 1 x Plastic Box