Upgrade your lighting with the Crompton Lamps T5 Tube light bulb, designed for superior efficiency and ease of installation.This 849mm T5 LED tube light replaces traditional 21W fluorescent tubes, offering significant energy savings with only 12W of power consumption. Enjoy cool white illumination (4000K) that's perfect for any indoor setting.This T5 LED tube is highly energy efficient, reducing your power costs significantly. It offers an easy retrofit solution with no rewiring needed, making installation a breeze. Just replace your power-hungry 21W fluorescent tube with this 12W LED equivalent, and you can start enjoying significantly lower lighting costs right away.With a long lifespan of 40,000 hours, it reduces maintenance frequency and provides instant full brightness for immediate clarity.The tube measures 849mm in length (863mm with pins) and has a power consumption of 12W. It produces 1100 lumens and emits a cool white light at a colour temperature of 4000K. With a diameter of 16mm, it fits easily into existing luminaires using a G5 lamp cap/base. It is non-dimmable, ensuring consistent light output.Designed as an LED T5 retrofit for existing fluorescent fittings, this tube features a full glass construction with an external diffused sleeve for uniform light distribution. It boasts a high colour rendering index (RA >82) and can handle up to 15,000 switching cycles. Backed by a 5-year manufacturer's warranty, it ensures reliable and long-lasting performance.Switch to the Crompton Lamps T5 Tube light bulb today for a brighter, more efficient lighting solution that you can rely on.LED T5 Retrofit for existing fluorescent fittingsTube Length: 849mm (863mm with pins)Rated Life: 40,000 hoursNew 2021 Energy Rating: F (A+ Pre-2021)Crompton Lamps LED T5 full glass tubes cannot be wired direct to mains as the tube design requires a compatible ballast to operate. Please check with the manufacturers website if this tube is compatible with your fitting's ballast prior to purchase. The performance of this lamp is determined by the fitting to which it is installed.