• GPS Tracker ST-901 is Mini Waterproof Tracker and easy to use with ACC detect ignition, the Quality and Stability more than GT06 GT02 better.
• About main power off alarm,it means when gps tracker disconnect the car battery,device will send sms alarm, which is very useful if the thief tries to disconnect gps tracker and steal the car.(this function just works with built battery device).
• The IMEI and ID NO, is the unique NO. which can not be changed,It can only use 2G(GSM) SIM card, not available for 3G or 4G and CDMA SIM card.
• These countries can not use this product: Japan, Korea, North Korea. And if your country has no 2G sim card, it can’t be used either.
• The Mini GPS Tracker have ACC detect ignition (orange wire),if you don’t need it,then disconnect orange,the tracker still works.
• If you have any question or problem please contact us,we will do best to solve your problems.
• If you use online tracking software,please contact us create account for you,also can use our app sinotrack,you can download it on sinotrack.com Scan QR code,you can track on mobile.
• Before you using the online platform, pls set the server IP,Port and APN(Access Point Name) of your SIM card by SMS command.
• If your sim card has PIN code(the tracker can not read SIM card),please unlock the sim card on your mobile phone.

• Operating temperature:-20° to 55° C
• Operating Humidity:5% to 95% Non-condensing
• GSM Quad Band GSM 850/900/1800/1900Mhz
• GPS Chip:UBLOX7020
• GPS sensitivity:–162Db Location Accuracy:10 meters, 2D RMS
• Time Accuracy:1 microsecond time synchronization of satellite time

• Build-in GPS Vehicles locator.
• Support 4-frequency GSM 850/900/1800/1900 MHz which can Work worldwide
• Support track the real time address by google link
• Built in battery 150 mAh
• Support GPS/Glonass/Galileo/Compass four different satellite
• Support Geo Fence Alarm
• Main Power Off Alarm(with built battery only)
• Support single location
• Support Over Speed Alarm
• Support Low Power Alar Waterproof
• With ACC to detect ignition

 English Manual:  https://drive.google.com/open?id=0B2s4P7cCZcFDb3BKM01wT1NpTE0 

Package Include:

1 x Waterproof Vehicle GSM GPS Tracker with Built-in Battery Sino Track

NOTE:
1) ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSE ONLY.
2) ACTUAL PRODUCT MAY SLIGHTLY VARY DUE TO LIGHTING EFFECTS, MONITOR BRIGHTNESS AND CONTRAST SETTINGS, WEBSITE'S PHOTO QUALITY AND PRODUCT ENHANCEMENT.
3) PLEASE ALLOW A LITTLE SIZE ERROR DUE TO MANUAL MEASUREMENT.
THANK YOU!