Simply point this Sumas SMH-3010 Bionic Ear Listening Device and take aim with the built-in scope and pull the trigger to capture audio within the impressive range of 150-feet! Use the adjustment knob to focus the scope on your subject and the parabolic dish picks up the sound. The volume knob allows you to adjust the volume and minimize any background noise.Included with this Sumas SMH-3010 Bionic Ear is a set of high quality padded over ear headphones with a coiled cord! Record up to 120 seconds of audio with the built-in recorder and if you need even more recording time the Sumas Bionic Ear can be hooked up to an external recording device. Order today!