Gadget Spy device which acts as a Bionic Ear, letting you hear faint sounds up to 20~30 Meters away, and loud sounds at an incredible 100 Meters on the included comfortable and high quality Stereo Headphone. Added to this, there is a built in monocular which will let you see objects at up to x8 magnification, and a digital sound recorder to record the sounds you hear. You will even be getting a fine tuning frequency knob to adjust how wide the sound reception is, in order to focus in on one sound. This is a perfect spy gadget for nature lovers, law enforcement, or people just looking for a little fun