AVENT iQ24 Express Electronic Steamer Sterilizer, sterilises up to 6 Avent airflex baby feeding bottles or ISIS breast pump and accessories in around 6 minutes. It has two simple modes for greater convenience and flexibility.Mode 1: Keeps contents sterile for 6 hours if unopened giving you the freedom to make up the bottles when it suits youMode 2: Keeps contents sterile for up to 24 hours by continuously repeating the cycle so you can have clean, sterile bottles day and nightFeatures advanced d