Features: -Waterproof, most major brands of bottles fit directly onto the unit or adapter for a secure fit. -Digital display reads the initial temperature of the liquid and adjusts as the temperature increases. -Heats to body temperature, quickly heats up to 98.6 ° F, and maintains temperature for up to 30 minutes. -Fits most major brands of bottles. Includes four adapters compatible with Dr. Brown's Original, Tommee Tippee, NUK, Medela and others. -Fits Avent without an adapter. No adapter required for Avent Natural and Evenflo Balance (4 oz and 9 oz *) bottles. -Quick and easy to use. Just turn, turn and press to warm your bottle. No need for water tanks or confusing measurements!