An IP rating consists of two numbers: the first number (0 - 6) relates to the level of protection against solid objects (including dust), the second number (0 - 8) relates to the level of protection against water. IP20 - safe from objects > 12.5 mm IP40 - safe from objects > 1 mm IP44 - safe from objects > 1 mm & splashproof IP54 - dust safe & splashproof IP65 - dustproof & waterproof IP66 - dustproof & fully waterproof
Colour temperature (Kelvin)
The colour temperature refers to the colour produced by a light. It's measured in Kelvin (K) and ranges from warm white (1700K - 3000K) to daylight white (6500K). Neutral white (3100K - 5000K) is mainly used for general lighting applications.