Average lifespan in h The average lifespan of a lightbulb or light source in hours.

IP protection rating The IP protection class indicates the suitability of electrical equipment for different environmental conditions.

IK impact resistance rating The IK impact resistance rating is a measure of the resistance of the housing of electrical equipment to mechanical stress, especially impact stress.

Light source cannot be replaced The (included) light source cannot be replaced

Lighting family This product belongs to an SLV light family

Energy efficiency class The energy efficiency class refer to the (contained) light source.