The Philips AVENT SCF293/00 premium electric steam sterilizer with dryer 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. It dries with hot, filtered air. Contents are dry and ready for the next feed within 40 minutes! As a result, it requires minimal space on your counter top. 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 Premium electric steam sterilizer with dryer is backed by a full 2-year warranty. With heating time of 4 minutes, total sterilization cycle is 10 minutes.