Product Name: Mini A8 GSM/GPRS/Lbs Not GPS Tracker Rastreador Tracker Global Tracking Device with Sos Button for Cars Kids Elder Pets Locator Model NO.: Mini A8 Item Type: Car GSM/GPRS/GPS Tracker Feature: Mini Car GSM/GPRS/GPS Tracker 4 Bands Tracking: GSM Frequency Suppports 850 / 900 / 1800 / 1900MHz Location Precision: More or Less 500mTit Depends on The GSM Signal Qua Material: Plastic Platfrom: Free Lifetime Tracking Warranty: One Year Trademark: YANHUI Transport Package: Normal Packing Specification: 3.2*4.3*1.4cm Origin: China HS Code: 85269110 Product Description Mini A8 GSM/GPRS/LBS Not Gps Tracker Rastreador Tracker Global Tracking Device With SOS Button For Cars Kids Elder Pets LocatorNote:Mini A8 GSM/GPRS/LBSTracker Mini Global Real Time GSM/GPRS/LBSTracking Device With SOS Button.The GSM/GPRS/LBStracker 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 GSM/GPRS/LBStracker brings!Specification:Type LBS ANTI-THEFT TRACKER (No GPS Module)Material PlasticQuantity 1 pcsItem Color BlackGMS Frequency 900MHz/1800MHz or 850MHz/1900MHz.Input Voltage DC 5VBattery 3.7V 500mAh Li-ion battery (included)Working Temperature -20 Degree - +55 DegreeWorking Humidity 5%-95%RHSize 3.2*4.3*1.4cm / 1.3*1.7*0.5'Net Weight 0.03kgHow does it work:It's simple. Your surveillance operation will be underway in 4 simple steps:1. 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 within10 mitersaround 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 themachine when hearing the sound of the machine about 3 seconds, and that means it sets up successfully.Whenthere is a sound above 45 db within 10 miters around the alarm, the call will be automatically make call numberwhich 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 capitalletters "GPS"to the alarm,The alarm will revert a message including the information about addresses/longitude andlatitude/web site content in a minute.SOS Emergency call: Edit the content of messages capital letters"SOS"to alarm, directly press the key SOS abovethree seconds after the success of seting, the alarm will directly call the seting number. And the indicator will flash.Note: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.about web tracking platform(For free):After user sending "PT" to the machine through SMS,information about IMEI number and passwordwill be returned to user. Please log in:www.gpsui.netYou can check background information(compatible with functions including map inquiry,machine locationinquiry,historic route,electric fence,operation data and password modification)Free APP: icaregpsPackage include (No retail box!! )1 * Mini Global Tracker1 * USB Cable1 * User Manual(No Sim Card and SD Card included)