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Product Features:

  • The adapter uses the fastest and most reliable ARM chips
  • The device is a small adapter that plugged into the vehicle OBD-connector.
  • On Bluetooth, it connects to any computer, tablet or smartphone, With
  • associated diagnostic procedures . Doing these simple operations, you will be
  • able:


  • * Measure the fuel consumption.
  • * Display real-time operating performance of the car, such as momentum,
  • vehicle speed, oil pressure, coolant temperature, engine load, intake manifold
  • pressure, throttle position, the values of oxygen sensors, air intake
  • temperature, and more.
  • * Turn off the MIL (signal Check Engine).
  • * Download data to external media in a variety of formats for later printing.
  • * Record various parameters, display graphics in real time, and more.


  • Small size, compact structure. Plug and never unplug
  • Stable wireless connection
  • No wires or batteries (adapter is powered by the diagnosis size sockets)
  • Stop communication, wait half an hour, auto sleep
  • Supports all OBDII protocols
  • With kw903 you will be able to perform a complete computer diagnostics car and even to correct minor faults without resorting to service stations.

    kw903 scantool is a high-quality automotive scanning tool, supports all OBD-II protocols :

  • 0.Automatic
  • 1.SAE J1850 PWM(41.6Kbaud)
  • 2.SAE J1850 VPW(10.4Kbaud)
  • 3.ISO9141-2(5 baud init,10.4Kbaud)
  • 4.ISO14230-4 KWP(5 baud init,10.4 Kbaud)
  • 5.ISO14230-4 KWP(fast init,10.4 Kbaud)
  • 6.ISO15765-4 CAN(11bit ID,500 Kbaud)
  • 7.ISO15765-4 CAN(29bit ID,500 Kbaud)
  • 8.ISO15765-4 CAN(11bit ID,250 Kbaud)
  • 9.ISO15765-4 CAN(29bit ID,250 Kbaud)
  • A.SAE J1939 CAN(29bit ID,250*Kbaud)
  • B.USER1 CAN(11*bit ID,125*Kbaud)
  • C.USER2 CAN(11*bit ID,50*kbaud)
  • *default settings(user adjustable)

Product Specifications:

  • Supply Voltage(VDD):12V
  • Work Temperature range: -20 ~ +70℃
  • Storage Temperature range:-40 ~ +125℃
  • RF Sensitivity(Basic Rate): -85db
  • Modulation Mode:GFSK
  • Frequency Range:2402 ~ 2480MHZ
  • Transmission Range:10M
  • Bluetooth Profile:SPP
  • UART Params:38400,8,n,1
  • Net Weight: 22g/ 0.78oz
  • Size: 48 x 22 x 35mm/ 1.89 x 0.87 x 1.38in

Package Contents:

  • 1 x OBD2 Bluetooth Car Sanner Diagnostic Tool
  • 1 x CD
  • 1 x User Manual
Available Shipping Method Tracking NO. Estimated Delivery


1) Estimated delivery time includes processing time and actual shipping time. Normally our processing will take 1-2 working days.

2) Estimated Delivery Time shown above is only for reference, since actual delivery time depends on shipping service selected, delivery schedule and local customs clearance time, especially during peak periods.

3) Shipping Costs shown include fuel surcharges and may change a bit due to the fluctuation of currency exchange rates.

4) For the order with only one item (only one item):

a. if your item is less than 20USD and need registered freight, you need to pay certain upgrading fee.
b. if your item is more than 20USD, our system will ship your item with tracking number automatically free of charge.

5) For the order with multiple items (multiple items):

a. if most items' price is more than 20USD in one order, we will send the parcel with tracking number for free.
b. if most items in one order is low value with reasonable weight and size, our Checkout process is able to identify such order giving free registered freight on it.
c. if most items in one order are low value but with relatively high weight (i.e. Value: Weight ratio is not in reasonable range), we will charge certain discounted upgrading fee if you need tracking number.

Custom Tax

A. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.

B. Please check with your country's customs office to determine what these additional costs will be prior to buying.

Return Policy

All the cell phones you bought from come with 6-month warranty and all the items we offer have a 3-month warranty. See additional details, please refer to our Shipping & Returns or our FAQ Return Policy.

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