Audio surveillance has moved forward in the last couple of years, we are proud to offer a wide selection of audio surveillance spy bug devices utilising the GSM networks. Spy bugs are commonly referred to as GSM listening devices. They are compatible with most GSM networks across the world. We have built our reputation on quality, reliability and performance at a fair price using the same suppliers as more expensive competitors and therefore, all our range of audio surveillance products are customised by our team of professionals to offer complete satisfaction. Our spy recorder audio quality is unsurpassed in the field. Never again will you be restricted by range because GSM is a standard worldwide communications network you can now use to monitor and safeguard your vehicle, home, or office environment and to monitor the welfare of your property.