Mini Sound activation GSM SIM Bug Automatic Call Back Function

This product is suitable for home/office/warehouse surveillance, security safe to use. Wireless voice transmission, the worlds universal, NOT limited to distance, limited space.It is quadband,support GSM 850/900/1800/1900MHZ,can be used in worldwide, it just like a U Disk and you can hidden it wherever you want.Its allow you to spy anyone in any place. You only need to buy a new GSM SIM card, place it in this device. Once you call this number, this device will auto answer, and it is working like a phone with auto answer without speaker.

Features:

* Size:52*25*13mm(L*W*H)

* Weight:16g

* Sound Monitor

* Spy bug/ Wire tapper/GSM sound monitor/Callback electronic alarm

* Sound activated dial back function/Call back function,sound above 65dB.

* Built in rechargeable battery

* Card compatible: GSM/SIM, not 3G, not CDMA.

* Support GSM 850/900/1800/1900MHZ, worldwide use.

* No memory inside

* No limit to distance and space

* Position monitor

How to USE:

* When Insert the SIM card,the product will automatically power on.

* This product is suitable for home,office,warehouse,security safe to use.

* Wireless voice transmission,the worlds universal,not limited to distance,limited space.

* Please lawful use, such as the use of this product illegal operations, the company will not assume any liability.

* Monitor function: Insert a GSM SIM card to the device then dial the numbers,the product will automatically start listening mode,it will stop when the phone hang up.

* Call back Function:Send message "0000# + the number +#" to the Sim card which in the device to open the call back function,send message"0000##" to stop the function.

* When product is around 60-80 square meters of voice more than 60db,the product will automaticaly call back to set the phone.

* Send message"0123#" to this device.it will auto-reply u the current location via messge.