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Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds
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This product is being sold as an investigative tools for law enforcement or licensed investigators
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With chrome housing and cylinder shape design
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Works on wooden walls, doors, windows, steel plates, etc
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With earphones and recorder output jack, can record simultaneously as normal recorder, indispensable device for collecting evidence
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Adjustable volume knob, for detection
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Suitable for hearing aid, collecting evidence and so on
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A correct plug of Power Adapter will be sent according to your shipping country
 
 
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Plug in the earphones
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Clockwisely turn on the power switch, indicator on
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Put on the earphones, touch the probe to the wall or door
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Turn on the switch and adjust it to the best volume
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Counterclockwisely turn off the switch, indicator off
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With built-in rechargeable lithium battery, charging for 2 ~ 4 hours
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Currency Consumption: 10 mA
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Audible Frequency Range: 200Hz-2000Hz
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Probe Sensitivity: -70db
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Maximum Amplification: 20000 fold
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Accessible to: Concrete wall, reinforced wall, wooden wall, iron wall, glasses and hollow brick
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Audio Output: Earphones or loud speaker for listening or recording
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Working Temperature: -20 ~ +50 ℃
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Onboard Buttons/Slots: 3.5mm Earphone jack, USB/Charging jack, Sensor and ON/OFF Switch Button with volume Dial
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Power: Built In Rechargeable Battery
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Materials: Molded Plastic with Internal Sound Amplifier
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Color: Black
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Dimensions: 36 x 57mm/ 1.42 x 2.24in (Dia x L)
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Net weight: 82g/ 2.89oz

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Attention:
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----Anyone else ordering this device should only be ordering it as a simple toy since MANY COUNTRIES STRICTLY PROHIBIT OWNERSHIP OF SPY DEVICES.
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----Do not to use this product for any illegal purpose, otherwise you may be subject to prosecutions under applicable laws.
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1 x Wall Door Listener Bug
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1 x USB Cable
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1 x Charger
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1 x Earphones
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