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The ultimate professional listen through wall system that can hear sound through any solid surface. It has variable gain and volume settings, built-in microphones, and amplifier in strong metal housing. Comes with high-quality earbuds, a built-in lithium battery, and necessary accessories.
| Connectivity Technology | Auxiliary |
| Connector Type | 3.5 mm Jack |
| Special Feature | 3.5mm jack |
| Compatible Devices | ['Smartphone', 'Laptop', 'Personal Computer', 'Tablet', 'Camera', 'Headphone', 'Radio', 'Speaker', 'Karaoke Machine', 'Amplifier', 'Gaming Console'] |
| Polar Pattern | Omnidirectional |
| Audio Sensitivity | 70 db |
| Impedance | 32 ohm |
| Microphone Form Factor | Mini |
| Power Source | Battery Powered |
| Signal-to-Noise Ratio | 70 db |
| Number of Channels | 4 |
| Frequency Response | 20 KHz |
| Audible Noise | 70 db |
| Item Dimensions | 9.06 x 7.09 x 2.76 inches (23 x 18 x 7 cm) |
| Antenna Location | Investigation, Surveillance |
| Brand | Kstpower |
| Model Name | F999B |
| Model Number | F999B |
| Built-In Media | amplifier, battery, warranty card |
| Manufacturer | Kstpower |
| UPC | 723800422475 |
| Mfr Part Number | F999B |
| Color | silver |
| Enclosure Material | Wood |
| EU Spare Part Availability Duration | 5 tyears |
| Recommended Uses For Product | Investigation, Surveillance |
| Compatible Devices | ['Smartphone', 'Laptop', 'Personal Computer', 'Tablet', 'Camera', 'Headphone', 'Radio', 'Speaker', 'Karaoke Machine', 'Amplifier', 'Gaming Console'] See more |
| Included Components | amplifier, battery, warranty card |
Ideal for private investigators needing discreet audio capture for gathering evidence in sensitive situations.
Useful for security experts seeking to monitor areas without direct presence, ensuring safety and surveillance.
Beneficial for researchers studying communication patterns and environmental sounds, conducting unobtrusive observational studies.
Not suitable for general users seeking simple audio recording solutions without specialized needs or capabilities.
New F999B Super Sensitive Listen Thru-wall Contact/probe Microphone Amplifier System ( period of five years)
This product is a listening device that can be used for various purposes such as detecting water leaks in walls, listening to heartbeats, and increasing hearing capability of conversations. The product charges quickly, and the battery life is long-lasting. However, some customers have reported defective products that do not work as intended, and returning the item is costly and time-Consuming. It is also important to note that the device may have legal restrictions in certain countries, and customers should Consult a competent attorney for guidance. Overall, this product can be a useful addition to a toolbox if used correctly and if the item received is not defective.
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Order now and get it around Wednesday, September 09
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