Soundear 3 Advanced Noise Warning Sign Please note that we judge the condition of this product to be: Used Good Good This is a Soundear 3 Noise Meter. These are the top of the noise warning sign range enabling the user to carry out long term noise checks as well as giving an instant and clear warning of high noise levels. The Soundear 3 includes, the SoundEar3, USB key with software and manual, external microphone, extension cable, power adaptor and a USB adaptor cable. These normally retail for 1100, they have been tested and work. The firmware has been updated and will need to load software from the memory stick.