PRODUCT
Wireless Listening System
Description
1.This wireless listening system consists of wireless transmitting part and receiving part, the wireless transmitting parts can be perfectly fit with a variety of electric equipment as camouflage, it can obtain evidence and does not affect the normal work as an electrical appliances
2. Built-in high sensitivity microphone, its pickup is wide.
3. Low power consumption, built-in high-performance rechargeable lithium batteries, it can work more than 20- 60 hours continuously. (Different modules)
4. Long transmission distance, which is about 500-700m in the urban visual environment.
5.This wireless listening system is widely used in the family, hotel, warehouse, office, conference room, criminal scene etc.
Technical Parameters
1. Wireless Transmitting Parts
Types: LED lamp, wall lamp, strip, charging treasure, wireless router, chargers, electronic calendar, remote control, smoke box, cigarette case.(optional) according to real need
Pickup radius: 3-5 m
Channel:has 10 different options
Ideal transmission radius: outdoor environment: 1000m
Urban real visual environment: 500-700 m
Working current: 10-15 mA
Working voltage: DC 5V
Transmission power: 40 mW
Antenna: built-in antenna
MIC pickup sensitivity: - 58 db
Ground noise: less than 20 Hz
Working time: 220 v It can keep working all time with connecting 220V power source, Black module it can work more than 20 hours continuously with built-in lithium battery.
Charging time: about 3 hours (1000 mAh), about 6 hours (20000 mAh rechargeable treasure)
2. Receiving part
Size: 110 * 57 * 39 (length * width * height in mm)
Battery: 7.4 V / 2800 mAh(lithium-ion battery)
Continuous working time: 5 hours
Channel: 16
Power：5W
Weight: 240g
Receiving sensitivity:0.20μV@20/25KHz typical
Audio power rating:1 W
Audio distortion: 5% or less
The power voltage：7.5V DC ±20%
Working temperature：-25℃~ + 60℃
Have playback function
The recording file format:WAV
Storage：32GB
With headset
The recording time：500 hours
USB2.0 Extract: support
Advisory message
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