The Philips 458299 PL-T32W/830/4P/ALTO is a compact fluorescent lamp with a warm color temperature of 2500 - 3000 K. This lamp has a bulb wattage of 4W and produces 2000 lm or more of lumens. The bulb shape code is PL and it has a bulb shape of a tube. With a glass material and 4 pin connectors, this Philips Alto product line offers high-quality lighting technology for home and garden use.