Best Automotive Borescopes for Mechanics and DIYers (2025): From Engine Valves to Hidden Leaks

When it comes to inspecting engines, valves, or hidden leaks, a good borescope can save you time, money, and frustration.  We tested and compared several popular models discussed by real users—from affordable Wi-Fi scopes to professional-grade inspection cameras.  Here are our top picks.

Key Takeaways

• Best for Integrated Systems: Foxwell ES100 Automotive Endoscope 
• Budget Pick: Depstech Dual-Lens Wireless & Rechargeable Endoscope
• Best for Professionals: Teslong 5" HD Display & Dual-Lens Probe

Our Methodology

To help you pick the best inspection camera for automotive use, we evaluated each product based on key factors:

• Image clarity – High-resolution images for precise diagnostics and spotting small faults in car engines.
• Compatibility – Works across multiple devices, from iPhone and Android to dedicated scan tools, ensuring smooth connection.
• Durability & waterproofing – Reliable even in messy engine bays, wet pipes, or home workshop setups.
• Ease of use – Simple setup, intuitive app or device interface, perfect for both car repair and home inspections.
• Value for money – Strong performance at a fair price, whether you need a borescope for car engines, inspection camera for cars, or a home-use endoscope.

Our goal: find tools that work for professional automotive inspections, DIY car repair, and even home projects.

Best Inspection Cameras for Automotive Use

Best for Integrated Systems: Foxwell ES100 Automotive Endoscope 

 ➤ Foxwell ES100

Overview

Plug it directly into your NT809, NT909, or other Foxwell scanners, and it instantly transforms into a high-definition inspection eye. No Wi-Fi pairing, no lag — just pure plug-and-play precision.

The 8mm slim lens fits easily into spark plug holes and tight engine compartments, while 8 adjustable LEDs deliver crisp visuals even in dark spaces.  The IP67 waterproof rating means you can check oil passages or coolant leaks without worrying about damage.

Budget Pick: Depstech Dual-Lens Wireless & Rechargeable Endoscope

Pros:

• Wireless connection to iOS & Android phones
• Simple file management, media files can be directly saved to the phone's photo gallery.
• 1080p dual-lens with front & side cameras
• IP67 waterproof, 7 adjustable LEDs
• 16.5ft semi-rigid cable
• Built-in rechargeable battery – no AA batteries required

Cons:

• Large cable can be unwieldy if fully extended

Overview:

WF028 is ideal for home projects, DIY car repairs, and inspections away from a power source. Its rechargeable battery and wireless connectivity make it highly flexible. For users needing portability and independence, this is a standout choice.

Best for Professionals: Teslong 5" HD Display & Dual-Lens Probe

Pros:

• Bright 5" IPS display (no app needed)
• Dual-lens 1080P camera with LED lighting
• Excellent build quality, ideal for shop use
• Includes 32 GB memory card
• Trusted by many DIY and pro technicians
• Replaceable cable

Cons:

• Pricier than Wi-Fi options
• Bulkier to carry around

Overview:

Teslong’s NTS300 is the tool most praised by professional mechanics. Unlike Wi-Fi scopes, it has its own 5-inch screen—no phone required.  The dual-lens probe provides both forward and side views, making it easy to inspect combustion chambers or transmission housings.

The cable is sturdy yet flexible, and the unit stores photos and videos directly on a 32 GB card. In short, it’s designed for daily shop use where reliability matters more than wireless convenience.

Recommendations for Best Automotive Borescopes

Foxwell ES100 is ideal for car owners who already use a Foxwell diagnostic tool and want an integrated, reliable solution.  

If you want an inexpensive, all-purpose borescope for home or automotive use, the WF028 delivers excellent performance.

If you work on engines daily and need a dedicated, screen-equipped scope that just works every time, the NTS300 is worth every penny.