Professional through-wall listening device

Advanced system for listening through walls, pipes and sealed structures. The device is based on an extremely sensitive sensor that detects tiny sound vibrations and translates them into a clear audio signal, with an extremely powerful amplification capacity of up to 20,000 times. Main advantages: 1. Accurate and comfortable listening – A sensitive sensor with an extremely powerful audio amplification, up to 20,000 times, allows for clear identification of conversations and voices. 2. Two interchangeable sensors – comes with a long thin probe and a round probe, for perfect adaptation to different types of walls and surface conditions. 3. Diverse uses – suitable for listening through walls, concrete, steel, pipes and more. 4. Portability and convenience – Built-in rechargeable lithium battery, compact design and a high-quality carrying case for field use. 5. Quality and durability – Made of ABS and hard metal materials, durable over time, with extremely high sensitivity. 6. Flexible audio connections – including dedicated 32Ω headphones with the option to connect to external speakers (16Ω). Technical specifications: Material: ABS + metal Battery: 3.7V lithium with a capacity of 500mAh Charging time: about 3 hours to 90%, up to 12 hours to fully charge Working time: 5–7 continuous hours Sensitivity: -70dB Maximum amplification: 20,000 times

• SKU: kd113
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