Type:Warmers & SterilizersPower Source:ElectricMaterial:PCMaterial Feature: Phthalate FreeType:Warmer Heater in CarVoltage: DC 5-12VHolding temperature: 45 centigradeFeatures:Made of carbon fiber heating material， warms quickly and evenly.Plugs into any car's lighter outlet， easy to operate.With automatic overheating protection function， safe to use.It can stretch to fit most baby feed bottles.With a hook for easy carrying.