power adapter charger barrel plug for vtech safe & sound parent unit only of a baby monitor system vm321 vm321-2 ships from the usa by shira tm for vtech only for vm321 models vtech power adapter charger for the parent unit only of a baby monitor system vm321 vm321-2 **ships from the usa** by shira tm. before ordering please take the following step to determine that what you need i the ac adapter. 1. make sure you old adapter has a tight fit, if loose then your unit is bad. 2. make sure its not the battery, if the battery does not charge but the unit is working then it needs a battery. ok