---
product_id: 445499939
title: "OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector"
brand: "woyo"
price: "€ 127.39"
currency: EUR
in_stock: true
reviews_count: 8
category: "Woyo"
url: https://www.desertcart.hr/products/445499939-obd2-breakout-box-woyo-ctb007-12v-24v-can-tester-box
store_origin: HR
region: Croatia
---

# Reverse polarity & short circuit protection Real-time voltage readout on 16 pins Supports all major OBD2 protocols OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector

**Brand:** woyo
**Price:** € 127.39
**Availability:** ✅ In Stock

## Summary

> 🔧 Diagnose smarter, not harder — never miss a voltage beat!

## Quick Answers

- **What is this?** OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector by woyo
- **How much does it cost?** € 127.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/445499939-obd2-breakout-box-woyo-ctb007-12v-24v-can-tester-box)

## Best For

- woyo enthusiasts

## Why This Product

- Trusted woyo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bench-Test Ready:** Perfect for automotive pros and DIYers to diagnose CAN BUS modules off-vehicle with ease.
- • **Built-in Safety Shield:** LED alerts for grounding issues and polarity reversals protect your expensive scan tools from damage.
- • **Instant Voltage Insight:** Digital LCD displays live VPP voltage for all 16 pins, saving you diagnostic guesswork.
- • **Extended Reach & Clarity:** 27.5-inch cable plus a detailed English manual ensures hassle-free, precise diagnostics every time.
- • **Universal Protocol Compatibility:** Seamlessly tests PWM, VPW, ISO, CAN, and K-Line protocols across cars, trucks, and motorcycles.

## Overview

The WOYO CTB007 OBD2 Breakout Box is a professional-grade diagnostic tool featuring a digital LCD for real-time voltage monitoring across all 16 OBD pins. It offers critical safety alerts for grounding and polarity issues, supports all major OBD2 communication protocols, and includes a 27.5-inch extension cable for flexible use. Ideal for mechanics and car enthusiasts, it streamlines vehicle diagnostics while protecting your equipment.

## Description

Buy OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector: Code Readers & Scan Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: best breakout box - great tool to have
Review: OBD2 breakout box - It works great saves time and trouble. Easy to used

## Features

- Digital LCD Displays VPP Voltage of 16 PINs: CTB007 supports to select the PIN number to read the real-time VPP voltage directly, can save your time to get the voltage.
- PIN 4&5 Grounding Detection & PIN 16 High or Low Voltage Alarm: CTB007 has reverse polarity protection, LED on PIN 4& 5 turn red. Before other diagnostic devices was connected to the DLC, testing the DLC (OBD2 port) if any abnormality. If there is a short circuit or polarity reverse connected, this can avoid diagnostic scan tool be damaged.
- Support Vehicle Protocol Standard: PWM(J1850)、VPW（J1850）、ISO 9141-2、DIS/ISO 14230-4、CAN(J-2284). Compatible with cars, motorcycles, trucks with an OBD2 port. Also support CAN BUS/ K-Line. So the automotive technician can test the CAN BUS module on bench.
- Easy to use for Mechanics or DIY Car Owners Beginners: A. CTB007 package with English user manual with detailed description of pin-to-indicator light correspondence, indicating whether pins carry pulse signals or constant voltage signals, and also detecting incorrect CAN bus polarity. B. 70cm, 27.5inches line length, easy to use and storage.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09YQ52CPK |
| Best Sellers Rank | #506,499 in Automotive ( See Top 100 in Automotive ) #1,603 in Code Readers & Scan Tools |
| Brand | WOYO |
| Customer Reviews | 4.4 4.4 out of 5 stars (60) |
| Date First Available | April 24, 2022 |
| Item Weight | 10.6 ounces |
| Item model number | CTB007 |
| Manufacturer | WOYO SMART CO.,LTD |
| Manufacturer Part Number | CTB007 |
| Model | CTB007 |
| Product Dimensions | 5.17 x 2.5 x 1.25 inches |

## Product Details

- **Brand:** WOYO
- **Manufacturer:** WOYO SMART CO.,LTD
- **Operating System:** Windows XP
- **Power Source:** Corded Electric
- **Screen Size:** 0.7 Inches

## Images

![OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector - Image 1](https://m.media-amazon.com/images/I/71XHY5vm0QL.jpg)
![OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector - Image 2](https://m.media-amazon.com/images/I/81oLL+y9j1L.jpg)
![OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector - Image 3](https://m.media-amazon.com/images/I/81Vz3v-7a1L.jpg)
![OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector - Image 4](https://m.media-amazon.com/images/I/61Tw+iOxoNL.jpg)
![OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector - Image 5](https://m.media-amazon.com/images/I/91avBwTkV7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ best breakout box
*by S***Z on January 4, 2026*

great tool to have

### ⭐⭐⭐⭐⭐ OBD2 breakout box
*by K***R on October 20, 2025*

It works great saves time and trouble. Easy to used

### ⭐⭐⭐⭐ Works well but non standard plugs for breakout ports
*by C***S on February 4, 2025*

Works well but uses very small probes like multi meter probes for breakout functions. Most other breakout boxes use industry standard banana plugs

## Frequently Bought Together

- OBD2 Breakout Box, WOYO CTB007 12V/24V CAN Tester Box with 27 inches OBD Extension Cable, Auto OBD 16 Pin Digital Voltage, Automotive OBD2 Diagnostic Tool OBDII Protocol Communication Detector
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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-18*