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The recessed circular fixture (top left) is a marine or elevator-grade LED downlight, specifically the i2Systems Apeiron series. These are designed for energy-efficient cab lighting, often providing up to 75% energy savings compared to traditional halogen bulbs. They typically feature a stainless steel construction and are available in various finishes like brushed nickel or polished chrome.
The oval-shaped fixture (top right) is an elevator well or car top light, such as the KONE SALF-DZ10W or SALF-DZ8W models. These surface-mounted bulkhead lights provide critical illumination in the elevator shaft or on top of the car for maintenance and safety. They often include a battery backup system to provide emergency lighting during power failures.
The large circular unit (bottom) is an elevator cabin ventilation fan, commonly the HD/BRB 220V series. It is engineered specifically for the confined spaces of elevator cars to ensure optimal air circulation and passenger comfort. Some advanced models even feature sterilization and air purification functions using negative ions.