Vitronics manufactures Battery Operated Listening Bug. Vitronics manufactures a wide range of products like displays and advertisements products, household products, security products etc. The Battery Operated Listening Bug is mounted on a small plastic box. It incorporates a sensitive wide angle microphone and amplifier circuit. It also has a remote on-off switch. It can be connected to tape recorder for recording. It can be easily concealed. This Battery Operated Listening Bug can be mounted at the front door for monitoring the activities outside. Wire Less Listening Bug can also be availed by which conversation can be heard on a FM receiver up to 150 inches distance.
