The legality of using two-way audio on cameras can vary depending on the location and circumstances of their use. In general, using a hidden camera with audio recording capabilities in a public space without consent may violate privacy laws. However, using them in a private space where there is no reasonable expectation of privacy, such as a home or business, may be legal as long as all parties are aware of the camera’s presence and its audio recording capabilities.
It’s important to note that audio recording laws vary by state and country, so it’s always a good idea to check the laws in your area before using a hidden camera with audio recording capabilities. Some jurisdictions require that all parties being recorded must be notified, while others only require one-party consent. If you’re using a two-way audio hidden camera for home security purposes, it’s typically legal to record audio within your own home without notifying others. However, it’s always best to consult with a legal professional to ensure that you’re complying with all relevant laws and regulations.