Compact Car Locator GSM GPRS GPS Tracking Device Rechargeable for Vehicle Motorcycle Child Pet Asset Item Type: Car GPS Locator Material: Matte Plastic Working Frequency: 850/ 900/1800/1900Mhz Built in Battery: Rechargeable 3.7V 500mAh Li ion Battery Storage Temperature: -40℃ to +85℃ Operating Temperature: -20℃ to +55℃ How e: 1. Authorized operating To send SMS SQ+, you need to authorize the mobile phone number to the device, which can be authorized. For example: sending SMS SQ13612345678 to the device will authorize the number 13612345678. If you need to set multiple authorized numbers at the same time, the numbers can be separated by *, such as SQ13612345678*13600000000. This method cannot exceed 4 mobile phone numbers at most. After the authorization is successful, the authorized number will receive the following confirmation SMS: After the authorization is successful, the device XXXXX, password XXXX, number is authorized successfully, if you want to add other authorized numbers, you must use the number that has been authorized successfully to send the above command. 2. Clear authorization Use any number to send SMS SQ to the device, then execute the operating of clearing all authorized numbers, and the authorized number receives a confirmation SMS from the system, indicating that the clearing is successful. After clearing, any mobile phone can be located by SMS. 3. Track query (timed upload) (Need to open GPRS traffic, no more than 30M per month) The default is off, you can adjust the time in the background. Open monitoring: DKJK Turn off monitoring: GBJK Call back: Use the mobile phone or fixed line to get through the SIM number in the alarm, hear the surrounding sound for 3 seconds, hang up and the setting is successful. When there is a sound of 45 decibels within 10 meters of the alarm, the alarm will automatically dial the set number. The factory default is off. Voice Control Call Back On: 1111 Voice Control Callback Off: 0000 Emergency SOS: Edit the uppercase letters SOS of the text message to the alarm. After successful setting, directly press and hold the S0S button for more than three seconds, and the alarm will call the bound number directly. Website / Listening: After the machine is turned on normally, dial the machine number, wait for 10 seconds after getting through, and you can check the sound within 10 meters of the location around the machine. Hang up after connecting or hang up before connecting, it will reply a URL link of the current location of the machine. It is recommended to wait for a long time to connect e for the first time. Positioning query: The user edits the letter DW to the machine, and a message containing text or URL will be replied in about 1 minute. Both mobile phones and computers can log in to the link to view the detailed location. Platform query: (Only authorized users can obtain a password to log in to the platform) Authorized users can use the device ID number and password in the authorized SMS to log in to the website provided by the SMS to query background information. (You can query the machine location, battery level, track query, missing SMS, electronic fence, adding devices, etc.) Without authorization, any mobile phone can send DW to the mobile phone card installed in the device, and conduct SMS positioning. After the authorization operating, only the authorized number can send DW for SMS location, and other numbers cannot be located.