Audio Surveillance/Voice Transmitter/Hidden Audio Bug

Excellent after-sell service

Frequency: 900, 1800(please do not plug the CDMA SIM card for the device, it will not work with the CDMA card);
Built-in microphone;
24 hours continuous usage (if plug to power);
All GSM SIM card compatible;
Microphone range: 10~12 meters (diameter);
Receive sensitivity: -+ 10k;
Working temp: -40~50 degrees C;
Do not insert the SIM into the slot in the wrong direction;
Led light indication will be activated after the SIM card is correctly inserted;
Please do not use it to engage any illegal activity;

Specifications:

This revolutionary wireless (GSM-Based) audio monitoring device is a fully-functional Power Strip. When used in the mode, you call (from anywhere) and conduct covert room monitoring without anyone knowing. You can hear all conversations around the Power Strip and when you're finished simply hang-up.

Audio Surveillance/Voice Transmitter/Hidden Audio Bug ,24 hours in 365 days continuous usage (if plug to power)

24 hours in 365 days continuous usage (if plug to power)
Excellent after-sell service