Aluminum housing with a 3 mm thick brushed stainless steel front panel. Cost-effective LED lighting for the doorbell button with 3-level adjustability. Sensor-controlled automatic lighting: The doorbell button's light turns on automatically in the dark and off in the light. Optical confirmation of the doorbell button with a brief green flash when pressed (can be disabled). Two LED downlights to illuminate an entrance step (can be disabled). Easy surface mounting. Weatherproof according to IP44. Potential-free output for connecting a doorbell or gong.