Specifications: Color: black Material: Plastic Size(approx):35*20*14mm GPS positioning accuracy: about 100m Expansion Card: Mini TF card Antenna Type: GSM/GPRS GSM Band: 850/900/1800/1900Mhz GMS Locating Time: 25 Seconds Power Input: AC 110-220V 50/60Hz Power Output: DC5V 300 - 500mA Battery Capacity: 3.7V 400mAh Li-ion Battery Working Voltage: 3.4 - 4.2V DC Storage Temp.: -40 to 85 celsius Operation Temp.: -20 to 55 celsius Humidity: 5%-95% non-condensing Standby Current: About 2.5mA Speaking Curret: About 150mA Package Included: 1x Mini Magnetic GPS Tracker(SIM card and TF card are not included) 1x USB Charging Cable 1x English User Manual Instructions: 1. Preparation: a SIM mobile phone card and mini memory card, 2. Turn on: Open the card cover and insert the SIM card in the direction indicated. After inserting the mini memory card, the product will automatically turn on and the red light will flash 4 times and go out, and it will enter the normal standby state after 30 seconds. [Note that if you don’t read the memory card, reinsert it] 3. Indicator light: the power-on indicator light is always on 4 times and goes out, and the low battery indicator light flashes quickly 4. Bind the master control number, use the mobile phone to edit the text message 000 and send it to the alarm locator number, and then the machine will reply to the mobile phone with a text message, Set, bind + master control number 5. Separate recording, use the mobile phone to edit the short message 555 and send it to the alarm locator number, and then the machine will reply to the mobile phone with a short message, [Snd, recording has started] 6. Voice control callback, use the mobile phone to edit the SMS 666 and send it to the alarm locator number, and the machine will reply to the mobile phone a short message later, [DT, Voice monitoring has been successfully set, alarm call callback],. When the sound around the alarm locator is greater than 40 decibels, the alarm locator will automatically call the preset mobile phone number. 7. GPRS positioning query: use the mobile phone to edit the SMS 777 and send it to the alarm locator number, and then the machine will reply to the mobile phone with a Chinese geographic location and Google map link. After the mobile phone opens this link, the location map and text address description will appear. The location is more accurate. 8. Sound query around the product: directly dial the card number in the alarm locator, and you can hear the sound around the alarm locator after a few seconds (the alarm locator itself will not emit any sound or light during the query) 9. Query positioning track, use the mobile phone to edit the SMS 102 and send it to the alarm locator number, and then the machine will reply to the mobile phone with an [account, password], log in to the website http,//gpsui.net 10. Keep track of positioning, just operate on the computer platform. 11. Delete the content of the memory card, use the mobile phone to edit the text message 445 and send it to the alarm locator number, and then the machine will reply to the mobile phone with a message [TF, cleaned up successfully, the current capacity is available] 12. Host status, use the mobile phone to edit the text message 888 and send it to the alarm locator number, and the machine will reply a text message to the mobile phone later, [All functions of the host computer are turned on or off, battery capacity binding number, signal strength, power-on frequency, GPRS TF card Capacity, etc.]. 13. Restart the host, use the mobile phone to edit the SMS 999 and send it to the alarm locator number, wait 1 minute for the recovery to succeed. 14. Close, the message has the display stop function of the remaining battery, use the mobile phone to edit the SMS 444 and send it to the alarm locator number, and the machine will reply to the mobile phone later, [Reset, all tasks have been canceled] 15. Power query: There is power in the information you reply to each location.