"This baby feeding bottle warmer and heater warms quickly and evenly， it can stretche to fit most baby feed bottles， it is easy and safe to use.Features: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.Attention :It can't heat cold liquid to hot， it just can keep your hot liquid warm in your car Attention:1. In order to avoid short circuit and fire， please don't pour liquid into the MINI linear temperature programmer.2. Only using the Mounted or USB Power.3. Don't use the item when the case is empty or the inside liquid is lower than 10% capacity of the case4. Don't use the item for more than 30 minutes each time.Specification:Voltage rating: DC 12VHolding temperature: 45centigradePackage Included:1*12V universal car mini linear temperature programmer Bag1*Car charger adapter cable"