【Wide Voltage & Safe】 Milk warmer adapts to 9V voltage output power for 18W to improve heating efficiency, effectively responding to different usage scenarios. This portable baby bottle warmer is made of PU material, safe and insulated. 【Faster Heating】 The baby milk warmer adopts imported temperature sensing chip to heat accurately. When using QC18W fast charging , it only takes about 20 minutes to quickly heat 200ml of water from 25°C to 40°C. When using a 9V, it has the effect of heat preservation or slow heating, and it can be heated intelligently to maintain a constant temperature. 【6 Level of Temperature Settings】The Portable Bottle Warmer has six temperature settings: 40°C, 42°C, 44°C, 46°C, 48°C, 50°C, Set different temperature according to actual needs. With LCD display to show temperature. 【Keeo Warm for 24 Hours】Bottle warmer for breastmilk can keep the bottle warm for up to 24 hours, feeding your baby anytime, suitable for most bottles and baby food containers. 【Easy to Carry】Baby bottle warmer heater with a handle, it's convenient to carry. It is useful in various situations such as going out, traveling, business trip, etc. It is lightweight and can be easily stored in a bag.