Brand Name : HEWEI
Model Number : HWCW-IV
Certification : YES
Place of Origin : CHINA
MOQ : 1 set
Price : USD/Set FOB shenzhen
Payment Terms : T/T
Supply Ability : 10 sets per month
Delivery Time : 20 working days
Packaging Details : carton case
Listening efect : Clear
Threshold Frequency : Adjustable
Amplifier Gain : Infinitely adjusted
Recording function : Automatic recording
Headphone output : 3.5” standard interface
Recording output : Built-in recording module, real-time recording by USB external dedicated recording memory
Stereo Wall Listening Device Via Board / Plate
Model: HWCW-IV
Description
This is a special amplifier that will pick up the slightest noise through solid objects like a wall, so you can listen to what is happening on the other side. The contact microphone is a ceramic pin specially developed for converting vibration into audible noise. It has two powerful transducers together comprise an exceptional monitoring device. It is widely used in police, prison and intelligence department.
Features
● High Detection sensitivity.
● The Threshold Frequency,gain of the amplifier and microphone are adjustable.
● Channel 1, channel 2 separately or simultaneously.
● Built-in recording function
Technical Parameters
Dimension | MCU(main control unit): 131×125×42mm; 41×18×15mm |
Total Weight | 956g |
Power Supply | Built-in 9V battery |
Battery Working Time | 5 hours without recording; 4 hours with recording |
Audio input | Left and right double track |
Audio output | Left and right output simultaneously, or left and right output separately |
Audio adjust | Gain adjustment, low frequency, high frequency filter adjustment and volume adjustment |
Headphone output | 3.5” standard interface |
Recording output | Built-in recording module, real-time recording by USB external dedicated recording memory |
Recording memory | 16GB (continuous recording about 500 hours) |
Lightweight Wall Listening Device Adjustable Threshold Frequency 3.5" Standard Interface Images |
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