Does it have to be plugged in at all times or does it have a battery option?
2080911
It doesn't have battery option. You have to plugged in at all time and have to buy memory card also because it doesn't have any memory espase.
1328199
This unit MUST be plugged in to operate. Unfortunately it does NOT contain a standalone battery.
1400907
Yes. Plugs in or runs on battery. I've found the battery to last about 8 hours
769530
It can use batteries or be plugged in, it comes with a power converter to plug it into a wall.
2022135
has to be plugged in. My husband uses it in his work vehicle to help with his back. highly recommend it.
1884548
Yes I use it plugged in. I do not use batteries however, the picture is not the same mirror I purchased. I have a different model.
462678
I have mines plugged in at all times and no it does not have a rechargeable battery
1140198
This model needs to be plugged in. The clock itself is heavy duty enough where I wouldn't see batteries lasting very long if they were an option.
1744623
It has a plug. It also has the ability to run on batteries, but I don't know how long the charge would be since I keep it plugged in.
1569732
It must be plugged in. But it does have a battery because there is a CAUTION: Risk of explosion if battery is replaced by an incorrect type.
1966028
It needs to be plugged into the wall socket at all times. No battery operated function.
2117387
It has a built-in rechargeable battery. The battery plugs in via a micro-USB charger (included).
1581542
No the battery don't got to be plug in only when using it but make sure you charge it ever time you used it
1943159
It has a built in rechargeable battery with ac adapter. You don't need to put in any batteries.
762176
It has to be plugged in to the access. power outlet. It has no built in rechargeable batteries.
480077
Its required to be plugged in to work. There is also no battery backup so when the power goes out or it is unplugged all the settings are lost.
1473213
No batteries required. It can either plug into the wall or the USB port of your computer, which is quite handy.