A: The base is plugged into an outlet. The monitor can be plugged in or you can use batteries.
A: This unit allows for both options. We have used it 90% if the time plugged it. The parent unit can be unplugged and with batteries, can be used around the house. Be advised the batteries do drain very fast when it's unplugged!!! They will die every time the unit is freestanding.
A: Everything has to be plugged in.
A: I use it with my neighbor and it works.
A: Hi - The operating range of the VTech DM111 is up to 1000 feet (300 meters) outdoors or 160 feet (50 meters) indoors. Please note that the actual operating range may vary depending on the environmental conditions and other interferences such as walls, doors and other obstructions. Thank you, -VTech Support
A: Roxanne - THe VTech DM111 automatically detects sounds coming from the baby unit. There is a visual sound indicator on the parent unit and you can hear the sound on the speaker. Thank you for your interest! ~VTech Support
A: Roxane - The parent unit of the VTech DM111 has a visual sound indicator which can indicate the sound detected from the baby unit. Thank you, -VTech Support
A: Hi - The VTech DM111 is not capable of detecting a heart bear. This baby monitor is intended to assist you in supervising your baby. Thank you, -VTech Support
A: Hi - Only the parent unit of the VTech DM111 has a rechargeable battery. The baby unit on the other hand requires constant connection to the AC power to function. Thank you, -VTech Support
A: Steve - You can press the arrow up button on the parent unit of the VTech DM111 to increase the speakerphone volume. Thank you, -VTech Support
A: Michelle - The parent unit of the VTech DM111 uses a 2.4V 400mAh Ni-MH rechargeable battery. Thank you, -VTech Support
A: Hi - The VTech DM111 does not have a temperature sensor feature. The said feature is available on models DM251 and DM1215-2. Thank you, -VTech Support
A: Hi - The VTech DM111 does not have a talk back feature. You may consider the model VTech DM222, which includes talk back as a feature. Thank you, -VTech Support
A: Gran - The VTech DM111 comes with a rechargeable 2.4V Ni-MH battery pack in the package. You may use the parent unit of the VTech DM111 without the battery installed as long as it is plugged in to an electrical outlet. Thank you! - VTech Support