Visit websites such as SpyTechs.com and SafetyBasement.com to find a variety of hidden listening devices. DPL-Surveillance-Equipment.com also features a variety of devices users can hide to listen to and record conversations.
DPL Surveillance Equipment showcases many products designed to look like innocuous parts of the room. Some of the products include thermostat-hidden listening devices and keyboard-hidden listening devices. The Spy Techs website features similar products designed to appear ordinary but provide users with a recording and listening function to discreetly record conversations. These include watch recorders and pen recorders, designed to appear like ordinary products, but with hidden listening properties.