The integrated pressure equalization valve ensures balanced air pressure conditions within the housing, which increases the longevity of the hall heater and prevents the ingress of moisture or dust. Versatile beam angles: adjustable beam angles of 65°, 90°, and 105° directly on the device allow for flexible lighting that can be adapted to requirements. Highly efficient: With an efficiency of up to 188 lm/W, the LIGHTSHOWERsmart-plus offers excellent light output with minimal energy consumption. Smart accessories: With optional sensors that provide functions such as daylight sensor, grouping function, and daylight harvesting, the lighting is intelligently controlled and optimized. Strong performance: The POWERselect function allows the brightness to be adjusted at any time, positively impacting the energy balance.