CUSTOMIZABLE LIGHTING: Enjoy high-quality white light in three color temperatures (3500/4000/5000 K) and three lumen outputs (3340/3800/4600 lm); adjust using the internal dip switch ENERGY EFFICIENCY: Designed to produce light efficiently; efficacy of 115 lm/W; adjustable wattage (29/33/40 W) so you can control your energy consumption and lower your electricity bills BUILT TO LAST: Philips is your trusted brand for quality. This robust, hardwired batten has a 50,000-hour lifetime, minimizing the need for maintenance and replacements BRIGHT WHITE LIGHT: With a maximum output of 4600 lm, this luminaire provides bright light for you to see clearly and perform tasks accurately, making it ideal for lighting garages and basements EASY TO INSTALL – ProjectLine LED battens are designed for swift and simple installation; this linkable model allows you to connect a maximum of eight battens