Mini A8 No GPS Tracker Locator Real Time Car Kids Pet GSM/GPRS/GPS Tracking Power Adapter High Quality Mini A8 GPRS Tracker Mini Global Real Time GSM/GPRS Tracking Device With SOS ButtonThe GPRS tracker is designed for use in any vehicle to track their location, such as caravans, boats, motor homes, trucks,for vans and construction machinery and many more - live tracking possibilities are limitless.This is particularly useful if your vehicle, pets, child or your belongings have been stolen. Time to enjoy the benefits this GPRS tracker brings! SpecificationType:LBS Anti-theft TrackerMaterial:PlasticQuantity:1 pcsItem Color :BlackGMS Frequency :900MHz/1800MHz or 850MHz/1900MHz.Input Voltage :DC 5VBattery :3.7V 350mAh Li-ion battery (included)Working Temperature :-20 Degree - +55 DegreeWorking Humidity ;5%-95%RHSize :About 3.2*4.3*1.4cm / 1.3*1.7*0.5'Net Weight :0.05kg How does it work:It's simple. Your surveillance operation will be underway in 4 simple steps1. Insert a mobile phone SIM card in the device (E.G. free PAYG SIM card from O2 etc)2 .Conceal the device where it cant be seen...3. Dial the pay as you go number from your phone.....4 .Listen - now you can hear what they are really talking about...Power On: Open the back cover, put the SIM card into the seats, then it is automatically power on. When booting, indicator will light for 10 seconds, after the indicator is off, cover the back cover then it can be used.Environmental monitoring: starting up normally, dial alarm number, it will be easy to hear the situation within 10 miters around the machine after waiting for five seconds. Sound Control Dialing: use mobile phones or fixed-line to get through SIM card number in the alarm, hang up the machine when hearing the sound of the machine about 3 seconds, and that means it sets up successfully. When there is a sound above 45 db within 10 miters around the alarm, the call will be automatically make call number which you set before.Send 0000 SMS to turn off sound control function.Send 1111 SMS to turn on sound control function. LBS Positioning: Please directly edit capital letters“DW” SMS to the alarm in China, and on aboard please edit capital letters “GPS”to the alarm,The alarm will revert a message including the information about addresses/longitude and latitude/web site content in a minute. SOS Emergency Call: Edit the content of messages capital letters“SOS”to alarm, directly press the key SOS above three seconds after the success of seting, the alarm will directly call the seting number. And the indicator will flash. Note Please:1.This product does not rely on GPS positioning, rely on the GSM/GPRS baseband station location.2.As to the review of my customers,this Mini A8 Tracker could not be used in El Salvador/Slovakia/Spain/UK/Sri Lanka,due to the GPRS Network. Package Includes:1 x Mini Global Tracker1 x User Manual1 x USB Cable