This is the best product for anti-theft. It collects voice any time with SIM card.

 Introduce of product:

 This is a very effective anti-theft products for anti-theft, just need insert a  mobile phone SIM card, and put it in any areas with GSM  network coverage, you can call to the mobile phone SIM card number which was inserted into the product  to achieve control at any time with the track.

This product can be put in the car, in case of  car theft, you can call to the mobile phone SIM card number which was inserted into the product for tracking; and it can be put at home,  you can call to the mobile phone SIM card number any time to control  the situation of house.

Packing with USB date cable, charge adaptor and package