While there are numerous advantages to using a nanny camera, such as peace of mind and the ability to monitor your children while you are away, there are also some legal implications to consider. In most states, it is legal to use a nanny camera in your home without the consent of your babysitter or nanny. However, a few states require you to disclose the camera's presence to the person being recorded. If you are unsure about the laws in your state, it is best to consult with an attorney before using a nanny cam.