T300 OBD2 Diagnostic Scanner – Fast, Accurate, and Built for Professionals
T300 is a professional-grade automotive diagnostic scanner equipped with a 2.8-inch high-brightness TFT color screen and a new-generation processor for faster response speeds. Designed for all OBD II–compliant vehicles, it is compatible with up to 97% of car models, making it ideal for workshops, garages, and serious DIY users.
With comprehensive diagnostic functions, cloud printing, and a built-in 50,000 DTC database, T300 delivers reliable performance for everyday diagnostics and advanced inspections.
Full System OBD II Functions
T300 supports all essential OBD II modes, including Read & Clear DTCs, Mode 6, Mode 8, I/M Readiness, Freeze Frame, O2 Sensor tests, and real-time data stream viewing. Technicians can quickly access vehicle information, monitor battery voltage, and perform load and charge tests directly from the device.
Data Stream Recording and Cloud Printing make it easier to store evidence, share results, and improve workflow efficiency.
Optimized Display & User Experience
A 2.8-inch high-brightness TFT display ensures clear visibility in indoor and outdoor light conditions. Customizable shortcuts improve efficiency, while the intuitive interface helps users navigate tests quickly and accurately.
The compact ABS housing provides durability while maintaining a lightweight feel for daily use.
Key Features
Read & Clear DTC
Freeze Frame
Mode 6 / Mode 8
Real-Time Data Stream Viewing
Battery Voltage Detection
Charge Test / Load Test
O2 Sensor Test
Data Stream Recording
I/M Readiness
Cloud Printing
50,000 DTC Database
Customized Shortcut Keys
Start Test & Vehicle Year Identification
Product Parameters
Model: T300
Screen: 2.8-inch TFT color screen, 320 × 240 resolution
Size: 153 × 85 × 30 mm
Weight: 0.3 kg
Shell Material: ABS
Supply Voltage: 8–24 V
Supported Protocols
ISO9141-2 (5 baud init, 10.4 Kbaud)
SAE J1850 PWM (41.6 Kbaud)
SAE J1850 VPW (10.4 Kbaud)
ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
ISO14230-4 KWP (fast init, 10.4 Kbaud)
ISO15765-4 CAN (11bit/29bit ID, 500 Kbaud & 250 Kbaud)
Software Update: TYPE-C port upgrade supported
- Return Policy
- Shipping Policy
1. 14-Day Return Guarantee
We offer a 14-day return window. You have 14 days from the date of delivery to request a return for your item.
2. Eligibility Criteria
To qualify for a return, the item must meet the following conditions:
The product must be in its original, unused condition.
All original packaging, tags, and accessories must be included.
A valid proof of purchase or order number is required.
3. Return Shipping Costs
Defective or Incorrect Items: If the return is due to a manufacturer defect, damage upon arrival, or the wrong item being sent, CHEPQ will cover all return shipping costs.
Change of Mind: For returns due to personal preference or accidental orders, the customer is responsible for the return shipping fees.
4. Return Process
Email service@chepq.com to initiate your return request.
Upon approval, you will receive specific instructions and the return warehouse address.
Do not send items back without prior authorization, as they will not be accepted.
5. Refunds
Once we receive and inspect your returned item, we will notify you of the approval or rejection of your refund. Approved refunds are processed automatically to your original payment method within 5–7 business days.
6. Contact Information
For any questions regarding shipping or returns, please reach us at:
Email: service@chepq.com





