Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System By Works on wooden walls, doors, windows, steel plates, etc. Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds Description: As simple and powerful as possible from a handheld listening device, this audio gadget can let you hear conversations through walls and other barriers. So how does it work Simple, you switch on the Inspector Gadget Audio Listening Device, insert the earphones, and then place the audio bug on the wall and listen to what's being said. This audio gadget works by amplifying the vibrations of audio. When people are talking in a room their voices are simply a waveband, and depending on how loud they are talking, the waveband travels short and long distances which are picked up and amplified by this device. The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can listen to whats being said. If the waveband is low, meaning people talking in a lower note, then you can use the dial located at the back of this cool audio gadget to adjust the volume and increase the sensors amplification. It really makes "" more fun and productive. Lets face it, no one really tells the truth straight to your face. So why not find out the truth, you will be amazed what people might say when your whether you are in a motel room, hotel room, your apartment or just in the next room the device will let know whats being said. Product Features UZIMO Wall Listening Device - As simple and powerful as possible from a handheld listening device, this audio gadget can let you hear conversations through walls and other barriers.So how does it work Simple, you switch on the Inspector Gadget Audio Listening Device, insert the earphones, and then place the audio bug on the wall and listen to what's being said. This audio gadget works by amplifying the vibrations of audio. When people are talking in a room their voices are simply a waveband, and depending on how loud they are talking, the waveband travels short and long distances which are picked up and amplified by this device. The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can listen to whats being said. If the waveband is low, meaning people talking in a lower note, then you can use the dial located at the back of this cool audio gadget to adjust the volume and increase the sensors amplification. It really makes "" more fun and productive. Lets face it, no one really tells the truth straight to your face. So why not find out the truth, you will be amazed what people might say when your whether you are in a motel room, hotel room, your apartment or just in the next room the device will let know whats being said. 24 Hours customer Service. Contact us at any time. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!