Mini Builtin Battery GSM GPS tracker ST-903 for Car Kids Personal Voice Monitor Pet track device with free online tracking APP

In stock - 101 items available
SKU: 200007763:201336103;14:200004890#ST-903
Regular price $33.58
Ships From

- Free Platfrom Lifetime
Our APP and Web are FREE for life. You can download the APP in advance and click“ VISIT” to try it.

-No Hidden Fees
We strive to provide customers with the most cost-effective products, without additional hidden fees like the subscription fees (bundled with SIM cards and GPS devices).

- Choose SIM cards at Will
Our products do not include SIM cards. You can choose SIM cards that fit your usage habits or have more favorable charges to save more money.

-Mutiple Devices in One Account for Free
If you're a fleet manager who need to manage many vehicles at the same time, we can create a group account for you for free!! Then you can see all vehicles on one APP/Web at the same time.

Before Order Notice

If you are in Pakistan, Chile, Colombia, Turkey, Azerbaijan or Indonesia, please deal with IMEI issue when you received product. You should register/change IMEI in your country as soon as possible, otherwise the device is not allowed to be used in your country.

There are two situations about IMEI:

1.If you have valid IMEI (registered in your country, you can get it from old device, like old phones, etc...

And you can use this valid IMEI in the product,

it means you need change IMEI for the product within 5 days when you received product. (34/4G Version not support change IMEI).

If you want to change IMEI to :  123456789078532

Please send SMS command: IMEI#123456789078532#

2.If you don't have calid IMEI, you should register the IMEI.

Check IMEI SMS command: IMEI0000

Then you can get the IMEI, register this IMEI within 5 days when you received the product.

Item Function

-Mini GPS Tracker
-Mini size easy to hide
-1050mAh built battery
- Voice Monitor
-Geo-fence alarm & Over speed alarm
-For Pet/kids/Personal/car
-2G GSM 850/900/1800/1900Mhz
-Built-in high sensitivity GPS&GSM antenna,
-GPS/GPRS/GSM/SMS Positioning and Tracking
-SMS tracking on cellphone with google maps link

* Note: Excluding the Pet Collar in the package

Warehouse in Russian and Poland

Ship from Russian/Poland warehouse will be FREE of customs tax.

Russian warehouse only ship to Russia local address via CAINIAO Warehouse.

Poland warehouse can ship to below countries via INPOST,DPD,UPS: Poland,Spain, France, United Kingdom, Italy, Netherlands, Sweden, Belgium, Germany, Czech Republic, Finland, Slovakia, Austria, Hungary, Croatia, Slovenia, Bulgaria, Denmark, Estonia, Lithuania, Latvia, Luxembourg, Monaco, Romania, Greece, Ireland, Portugal.

Device Working Mode

1. WORK-Keep working mode:
The tracker will keep working and send data by time interval.(ST-903 can works 20-24 hours)

2. MOVE-Work when the tracker is moving:
Tracker only works when it is moving, when it is stopped, it will sleep, GPS shut off, GSM works in low consumption mode. Vibration, SMS command, calling tracker can wake up the tracker to work 5 minutes.(ST-903 can works 3 to 5 days)

3.STANDBY-SMS or Call to tracker, it will work 5 minutes:
Standby mode, GPS shut off, GSM works in low consumption. SMS, calling can wake up the tracker to work 5 minutes.(ST-903 can standby 5-7 days)

Mizi Size GPS Tracker ST-903

Big Builtin Battery 1050mAh

History Route Playback

The tracker can help you to record the history route of your car

Voice Monitor

You will can remotely monitor the voice around the device, everything is under your eyes.

How to Login Platform

APP name: SinoTrack Pro


How to Activate Online Tracking

Send SMS configure the tracker(set IP and APN) to connect platform,
the IP: sinotrack )port:8090,
more info please check the user manual.
please send 3 SMS to tracker below:
SMS2:8040000 8090
SMS3:8030000 APN APNuser APNpassword(if APN need user and pass)
the APN is Acess Point Network of SIM card,if you don'n know APN,
please check it with your SIM card operator.or check the apn from here for reference.

Item Specification

Item Picture

Please identify products with SinoTrack LOGO, this is the Original SinoTrack Product.

Website Tracking Software

Mobile APP

APP name: SinoTrack PRO
You can download form APP Store(IOS) or Google Play(Android)

Shipping and Reply

- We reply your questions(using,install,configure tracker) within 24h.
- We will ship item via registered Aimail in 2 days after the payment cleared.
- The shipping time sometimes maybe a little longer due to custom problems, holidays or some uncertain reasons.
- We choose shipping way according to your country,we use the AliExpress Standard Shipping(AliExpress Official Logistics).
- For most countries:around 20-30 business days(such as Europe UK,Germany,Spain.Swden..etc)(Remote areas Longer).
- You can choose fast express deliver also,delivery time 7-10days.

Payment Notice

We accept Credit Card, PayPal, Bank Transfer, Western Union, And other payment method Aliexpress support.


Any Question please just feel free to contact us at any time!

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