VT4 Anti-recording device Audio Recording Blocker white noise to prevent 2-3m
  • VT4 Anti-recording device Audio Recording Blocker white noise to prevent 2-3m
  • VT4 Anti-recording device Audio Recording Blocker white noise to prevent 2-3m
  • VT4 Anti-recording device Audio Recording Blocker white noise to prevent 2-3m
  • VT4 Anti-recording device Audio Recording Blocker white noise to prevent 2-3m

VT4 Anti-recording device Audio Recording Blocker white noise to prevent 2-3m

  • Model: VT4
  • Availability: In stock

$145.00

Quantity:

Products Description

Product Description

This portable recording jammer produces ultrasonic wave from its 21 transmitters, as interfering signals against eavesdropping devices like smartphones, recording pen, monitors and so on, to disable their recording function and leave only irreparable noise. Widely it is used at office interviews, meetings or other intended purposes. Also Due to its ultrasonic wave emission, it could be used as a driving device to threaten annoying animals away like dog, cat, mice and so on.

 

Product Parameter

Interfering object: smartphones, recording pens, other recording devices.

Interfering distance: within 3 meters in good effect from the transmitter.

Wording distance: within 3 meters in good effect.

Interfering direction: 270-degree

Anti-recording sound pressure: 120DB/30CM(max)

Power control: body button + remote controller

Remote controller valid working distance: within 30 meters

Power supply: in-built lithium battery 2200mAh/9V

Battery  endurance: 4 hours after fully charged

Body material: ABS

Product dimensions: 189*65*55mm

Charging power input: 9V2A,

Lithium battery fully charged: 5 hours at original charger.  Is not compatible with any 5V or 12V charger.

Working environment: -20°C--45°C/-13℉--113℉, humidity should be less than 90%

 

Attentions:

1, This is a portable ultrasonic wave produce device, not harmful to human body. There will be a little noise audible within 0.5 meters quiet room when power on. This is normal state, not quality problem.

2, After start its power, do not put other object in its direction of ultrasonic waves.

3, After long time use, it is normal that its body temperature will go up by some.
 

How to use

1: press the ‘power switch’button over 2 seconds to select power on or power off.

2: there are two power grade selection: power grade I that for small room use like inside car, and power grade II that for big room like office room. Power grade II is default after power on.

3, In-built lithium battery remains indicator: 100 stands for 100%; 80 is for 80%; 50 is for 50% and 20 is for 20%. This device will be power off automatically when its remains power is less than 20%.

4, remote use: 1), the remote is only valid/workable only after 2 seconds’press on switch button for power on by hand. 2), after power on,then press the ‘off’button to make this device to standby state; press the ‘on’button again to make this device into power on state.

 

Without the remote controller, after its power on, press the ‘power switch button’in short also could make this device into standby state. When come into standby state, its indicator light is one of the power grade lights which will go on from strong to weak, then again from strong to weak.

5, how to charge this device: please use the original charger we offered. This device is only compatible with 9V charger. Other charger like 5V, or 12V is not compatible. When charging with the original charger, this device is also workable at the same time.


 

Adapter Plug Converter:  we will offer together according to your destination or your requirement.

Adapter Plug Converter for reference as below:

 

Products display as below:

 

Why Choose us?

1, 21 ultrasonic transmitters, more powerful output, better effect

2, high capacity battery, four hours of continuous use

3, nearly no electronic noise

4, easier operation, remote controller supplied

5, quick battery charge: 9V2A charger offered, save time

6, faster delivery, we will ship out the good via UPS, or DHL or Fedex subject to buyers destination, for all of you. You only need to pay a small charge for shipping same as AliExpress Standard Shipping.
We will not deliver your order via AliExpress Standard Shipping.

7, our jammer works very well to block all smartphones within 3 meters, even including iphone 12, but except iphone 14, iphone11.


Most models of iPhone's noise-cancelling ability is too powerful to block if 0.2 meters away. And we are still uncertain about its effect to new coming smartphones.
this jammer will help you avoid some trouble, but it is not 100% guaranteed. What we can make sure of is that this product is the best value for money on the market.

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