The Philips Tubelights are best of the tubelights . The tubelight is durable at any conditons even in changing high voltage difference . Philips company have a great name in the market and they make trusted products . It is a satisfied product because it works for a large period of time that can be year or above it . The price is also good as the quality is concerned of tubelight . The brightness of tubelight is very good , I use it since many years , therefore I recommend this product to everyone because it is brightest , durable , satisfying and good cost product .