IP is ‘Ingress Protection’, a rating of the resistance of a product to solid particle and liquid ingress. SUPRABEAM does not test for solid particles, so rating is ‘x’. SUPRABEAM does test for liquid ingress and all products are rated ‘4’. To achieve level 4, the product is subjected to and must resist splashed water at a rate of 10 liters per minute for 5 minutes. In practice this makes SUPRABEAM products suitable all weather conditions.