The Ledvance LEDTUBE T8 EM V 900 10W 840 is a set of two energy-efficient LED lamp bulbs designed to replace traditional 30-watt fluorescent tubes. With a cool white light colour and a colour temperature of 4200 K, these bulbs provide 1200 lumens of brightness. The bulbs are 900 mm in length and have a bulb wattage of 10W, offering a long bulb life of 30,000 hours. Made by the trusted brand LEDVANCE, these bulbs are a great choice for reducing energy consumption and achieving energy efficiency in your lighting needs.