The BU-19+ 520 Res Button Camera is an affordable option that pairs well with the PV500ECO 2 DVR to create a budget-friendly covert setup. This hidden camera offers various features to stay concealed in nearly any setting. The interchangeable lens covers ensure the camera remains discreet in different scenarios. This high-resolution camera functions effectively in both daytime and nighttime conditions and comes with a built-in microphone.