Just add 3 oz. (90 ml ) of water and switch on.8-minute sterilizing cycle, uses steam to kill all household bacteria. Enlarged capacity holds six standard size bottles and accessories. Specially designed rack holds isis breast pump. Rack transforms into a useful dishwasher basket for smaller items. When unopened, keeps contents sterile for up to three hours. The electric steam sterilizer includes : Lid, upper basket, lower basket, Central stem, sterilizer body, cord and plug, and tongs. Indicator light turns on when the unit is working and turns off when the cycle is complete. Allow cooling for 10 minutes after cycle completes. Dishwasher-safe components. Contemporary styling and design fits into any kitchen. Approximate size is 8" round and 12" h.