Mini hidden voice collection security device

Introduce of product: This is a very effective anti-theft products for anti-theft, just needinsert a mobile phone SIM card,and put it in any areas with GSM network coverage,you can call to the mobile phone SIM cardnumber which was inserted into the productto achieve control at any time with the track. This product can be put in the car,in case of car theft, youcan call tothe mobile phone SIM card number which was inserted into the product for tracking; andit can beput 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