The Philips Avent SCF291/00 Advanced Electric Steam Sterilizer effectively kills 99.9% of germs in just 6 minutes*. It sterilizes using steam, an effective, chemical-free way to protect your baby from harmful germs. The Advanced Electric Steam Sterilizer is adjustable, giving you the option of a small configuration for pacifiers, a medium configuration for breast pumps, toddler plates and utensils, and a large configuration for up to 6 Philip Avent bottles; and it requires minimal counter top space. To use, just add water to the base, load, and turn on the power. Advanced features, such as a 6-minute cycle with automatic shutoff and drip tray to prevent unpleasant odors, make it easy to use; and contents remain sterile for up to 24 hours if the lid remains closed. The Philips Avent Advanced Electric Steam Sterilizer is backed by a full 2-year warranty. *With heating time of 4 minutes, total sterilization cycle is 10 minutes. Kills 99.9% of germs with natural steam; no chemicals required Sterilizes in just 6 minutes* with the press of a button; progress indicator light indicates when contents are sterile Contents remain sterile for up to 24 hours when kept inside the sterilizer With room for 6 bottles and other baby products, it still fits on most counter tops Drip tray protects heating plate from milk residue to prevent burning smell