This surveillance system is well hidden inside a table LED clock with a built-in transmitter. The camera and transmitter are invisible to the human eye. The hidden video camera have low power consumption.
The camera's micro electronic sensor automatically adjusts for any change of light. This covert system can be applied to almost any ambience.( And  this LED alarm clock with calendar ,hour alarm,12/24 hour display , FM scan radio .)
This model is battery operated or with power supply. The hidden camera and transmitter are built-in together. The receiver easily connects to any TV with video inputs or VCR (or DVR) for recording. The camera is very easy to operate and no installation is required. just plug and play.