This document provides specifications for a water immersion test chamber that can test products to IPX7 and IPX8 standards for waterproofing. Key details include an internal test area of 1000mm diameter and 1000mm height, a stainless steel chamber, adjustable water depth up to 50m simulation, pressures up to 0.5MPa, a 99 minute timer, and safety features like overpressure protection. The chamber is used to test products' resistance to water immersion and pressure.