Specification Size: Length--60cm/23.62-inch Wattage: 15W, Lifespan: About 50000 hours Dimmable: Yes(need install wall dimmer and package not included), 6000K Cool White Light, brightness adjustable from 10%-100% Voltage:110-120V (U.S. standard) Material: Aluminium and Acrylic Light Direction: Up and down Application: Indoor lighting, bathroom, bedroom, living room, hallway Installation Requirements: Hardwired, installation required. ETL certified the product and the installation methods are in line with American standards, come with all mounting hardware, quick and easy to install.