1, suitable for product IPX9K waterproof rating test. 2. The shell is made of domestic high-quality steel plate, and the surface is sprayed with paint, beautiful and durable. 3, the inner box and turntable are all made of SUS304# stainless steel, to ensure that it will not rust for a long time. 4.Box-type structure; self-contained water tank, circulating water; the water tank is equipped with a water level float valve, which automatically controls the water intake and has a low water level alarm detection to effectively prevent the water pump from being dry and damaged. 5. There is a transparent observation window (tempered glass material) on the door, and an LED lighting lamp is installed in the box to facilitate observation of internal test conditions.