The Bright Source 9W/14W/18W Square White LED Bulkhead with CCT, Corridor Function, and Emergency Capability is a highly versatile lighting solution, ideal for safety-conscious environments. This bulkhead offers adjustable wattage options, allowing you to select from 9W, 14W, or 18W settings to tailor the brightness and energy consumption to your exact requirements, providing versatility for various environments. You can also select the switchable colour temperature, choosing from 3000K warm white, 4000K cool white, or 6000K daylight to create the ideal lighting environment, suitable for both indoor and outdoor use. Depending on the wattage selected, the lumen output ranges from 1000lm to 1900lm, ensuring bright and efficient illumination in both domestic and commercial settings. Designed for enhanced safety, this bulkhead features emergency lighting capability, guaranteeing continued illumination during unexpected power failures. The corridor function is an excellent energy-saving feature, reducing light levels from 100% to 10% when no presence is detected, thus saving up to 60% in energy. This makes it ideal for applications such as hotels, lobbies, and other large buildings. This white square bulkhead is IP65 rated and boasts a lifespan of 50,000 hours, making it perfect for corridors and emergency lighting applications.