Beijing Heweiyongtai Sci & Tech Co., Ltd.
Beijing Heweiyongtai Sci & Tech Co., Ltd. Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in manufacturing and trading
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Built-in recording function, High Detection sensitivity Listening Through Wall System In Police
Model: HWCW-IV
Description
This multi-function stereo listen through wall device is the most updated one in similar products nowadays, which can give listener the clearest audio information they are going to know.
It is widely used in police, prison and intelligence department.
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 to enable police, prison and so on.
Features
● The gain of the amplifier can be infinitely adjusted.
● People can monitor with channel 1, channel 2 separately or simultaneously.
● The threshold frequency,gain of the amplifier and microphone are adjustable
Technical Parameters
| 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 1500 hours) |
| 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 |
Company Introduction
In 2008, Beijing Hewei Yongtai Technology Co., LTD was established in Beijing.Focus on the development and operation of special safety equipment, mainly serve the public security law, armed police, military, customs and other national security departments.
In 2010, Jiangsu Hewei Police Equipment Manufacturing Co., LTD was established in Guannan.Covering an area of 9000 square meters of workshop and office building, it aims to build a first-class special safety equipment research and development base in China.
In 2015, a military-police Reserch and development center was set up in Shenzhen.Focus on the development of special safety equipment, has developed more than 200 kinds of professional safety equipment.
Jiangsu Factory
Shenzhen Research Centre
Overseas Exhibitions
Certificates
Staff Photo
Staff from Jiangsu Factory
Staff from Headquarters
Staff from Shenzhen research centre