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Working Mode:( Set it up on APP) SMS Track Time:about 70 days Sleep by time,use APP & PC:about 50 days Wake up by shock,use APP & PC:about 3-4 days Specifications: Size: 90 x 72 x 22mm Weight: 168g Color: Black Input: 5V-1A Output: 110-220V Standby Time:about 90 days GPS accuracy: 5m Network: GSM / GPRS GPS Sensitivity: -159dBm Battery: Rechargeable 3.7V 5000mAh Lithium battery Package Includes: 1 x GPS Tracker 1 x USB Cable 1 x Storage Bag 1 x Micro Sim Adapter 1 x Nano Sim Adapter 1 x User Manual Warm Notice: 1.You need to buy GSM sim card in your local area. 2.Each month will cost you network dataflow fee , around 50mb per month. 3.This GPS trackers need to use a 2G SIM card for 850 / 900 / 1800 / 1900MHz, not support 3G, 4G SIM card FAQ: 1.Why does the device show wrong position when the device is online in platform？ 1). No GPS signal ,but the device can get LBS location, should put the device on the window or outside to get GPS signal , the blue light is solid on in this situation, the green light flash 2.Why does the device can't be on line ? 1) APN setting is wrong 2) GPRS is off ( the green light is off or solid on ) 3) IP and port was changed by somebody 3.How to set the device connected to the server ? Check sim card carrier on internet or put sim card into cell phone to find APN Two steps to set apn: 1), Turn on gprs function by sending command "gprs123456" 2),Set apn by sending command "apn123456 content" , "apnuser123456 content" ,"apnpassword123456 content" , pls note the content come from sim card carrier , there are small blank after 123456 in every command.