|Room 414, Number 113,Gucheng west road,Shijingshan Diistrict,Beijing,China.||firstname.lastname@example.org|
Payment & Shipping Terms:
|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 Optional||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|
listen through walls devices,
listening through walls stethoscope
Wireless Listening System
One back end can support many front ends
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 and the space range it can monitor is about 80 square meters.
3. Low power consumption , built-in high-performance rechargeable lithium batteries,it can work more than 60 hours continuously.
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.
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 optional
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, it can work more than 60 hours continuously with built-in lithium battery .
Charging time: about 3 hours (1000 mAh), about 6 hours (20000 mAh rechargeable treasure)
Size: 110 * 57 * 39 (length * width * height in mm)
Battery: 7.4 V / 2800 mAh(lithium-ion battery)
Continuous working time: 5 hours
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
The recording time:500 hours
USB2.0 Extract: support
Contact Person: Mr. Gerrywang