TheHomeSecuritySuperstore.com, DHgate.com, Amazon.com and Wal-Mart sell cheap wireless mini cameras, as of 2015. Some wireless mini cameras are operated using Bluetooth or Wi-Fi. Some are remotely controlled, while others have motion sensing capabilities.
DHgate has a large line of wireless cameras that take both still photographs and digital video. Some of the models have a standard webcam design while others are disguised to look like household items, including electrical outlets, light bulbs and clocks. A mini pinhole camera that can easily be hidden is available from TheHomeSecuritySuperstore.com. Wal-Mart has a portable mini Bluetooth camera, and Amazon.com stocks a generic wireless camera and microphone set.