Surley is the turnkey supplier and manufacturer of complete shower tester booths and rain leakage test systems for cars, buses, trucks, automobiles and trains. Surley has installed numerous shower testing rooms to various automotive manufacturers worldwide. This kind of equipment imitate the environment of raining weather and make the vehicle under the rain, and use nozzles to inject the water in every angles onto the vehicle to see whether it is well sealed. Normally it is used in vehicle manufacturing company before it is been sold to the market. It is used to test whether water will enter the particular vehicle or component and identify where the leaks are. Subsequently, the leakage areas have to be plugged. Every vehicle needs to be ensured that there is no leakage / seepage in rains. This shower tester booth uses high pressure nozzles where water hits the surface at high pressures to test whether water enters in or not. Water from the booth is also filtered and recycled. Surley also supplies an air shower booth for quick drying of external surface to facilitate immediate inspection. The air shower booth consists of blowers that blow air at high velocity through air nozzles. In the air drying booth Special air knives are used to remove water and dry the surface quickly. Different programs can be tailor made to automate the entire process from opening of door to allow vehicle inside to roll out the vehicle out of the air shower booth. According to the clients requirement various levels of automation can be introduced.It is suitable for testing the water tightness of cars, by use of shower test room, to make the shower testing condition similar as natural raining condition, an equipment to confirm the water tightness condition of the workpiece, and use silicon waterproof on the probable leakage of rain parts.