Philips G13 58W T8 Bulb Warm white

CRI stands for Colour Rendering Index. It is a measure of how vividly colours are rendered in a room. A higher CRI value gives a more accurate rendering. Read more.

This value indicates the colour temperature of the light produced, expressed in Kelvin (K). The lower the Kelvin value, the warmer the light feels. In turn, a bulb with a higher Kelvin value gives a colder impression. For example, the warm white glow of an incandescent lamp has a Kelvin value of 2700K.

This is the highest possible amount of visible light the lamp produces (in non-dimmed mode). Using this value, you can determine the amount of light and the number of lamps in a project or installation.

The specific type or hue of light emitted by a light source, such as a bulb or LED. Different light colour types can have varying effects on the appearance of objects and people in a given environment. For example, a warmer light colour type may create a cosy and inviting atmosphere, while a cooler light colour type may appear more clinical or energising. When selecting light bulbs or fixtures, be sure to consider the desired mood or ambiance you wish to create, as well as any functional requirements, such as task lighting or colour accuracy.

This is the electrical part of the lamp that makes contact with the light source. The type of fitting determines which type of light source you can use. Manufacturers always indicate the maximum power the fitting can handle. It is important that the total consumption of the light source does not exceed the maximum power of the fitting.

This refers to the expected life of the light source and is expressed in total burning hours, sometimes supplemented by "switch cycles". This indicates how many times you can switch the lamp on and off before it needs replacing.

The maximum allowable electrical consumption of the product under normal conditions, expressed in watts (W).

This indicates whether the brightness of this product can be adjusted using a dimmer. This does not mean that a dimmer is included.