It really depends on what you’re inspecting and how far you need to reach. Here’s a quick guide to picking a snake inspection camera cable length:

• Vehicles and appliances: 3–10 ft semi-rigid cables are handy for engines, dashboards, and behind appliances. A slim lens (around 3.9–6.4 mm) can help in tight spaces.
• Sinks, vents, and wall cavities: 16–33 ft offers more reach while staying manageable for home projects.
• Main drain or sewer lines: 50–165 ft pipeline/sewer cameras with a reel are better suited for long, straight runs.

Consider bends and obstacles: semi-rigid cables push better, while articulating or dual-lens borescopes can improve steering and visibility. Measuring your path and adding a buffer can help, but needs vary by layout and conditions.

Both styles can work well—it’s more about how you like to work.

• Built-in screen borescope: Plug-and-play with no apps to install. Many use bright IPS displays and include DVR recording to a microSD card. They’re convenient in tight spots and when you want a dedicated tool.
• Phone-connected borescope (WiFi/USB): Lightweight and portable, using your Android/iOS device as the screen. Check app compatibility and connector type (USB-C, Lightning, or Micro USB) before you buy.
• Pipeline/sewer camera systems: Typically include a larger monitor and long cable for extended drain runs.

If you record and share frequently, consider onboard DVR or app export options. For glove-friendly use or no-phone zones, a built-in screen may be more practical.

These ratings describe how well the endoscope/borescope components resist dust and water. In general:

• IP67: Dust-tight and resistant to splashes and brief submersion under specific conditions.
• IP68: Dust-tight and rated for deeper/longer submersion than IP67, based on the manufacturer’s test parameters.

Typically, the camera head and cable are the waterproof parts. The handheld screen or WiFi module usually isn’t waterproof unless stated, so keep those components dry. After wet use, wipe the camera head clean, let it dry, and keep connector caps secure. Using the tool within its rating can help reliability, but conditions vary, so always check the product’s specifications before working in standing water.

A few small tweaks can make a big difference in image quality:

• Adjust LED brightness: Start low and increase gradually. Too much light can create glare on shiny surfaces.
• Use the right view: If your borescope has dual or triple lenses, switch between front and side views to reduce reflections and improve detail.
• Keep the lens clean: Wipe gently with a soft, lint-free cloth. Avoid abrasives and harsh chemicals.
• Stabilize the cable: Move slowly and hold the cable steady to reduce blur. Use digital zoom sparingly to maintain clarity.
• Let it acclimate: Allow the camera to adjust to temperature changes to help minimize fogging.

Conditions differ by pipe material and lighting, so experimenting with settings can help you dial in the best view.

A little maintenance can keep your borescope in good shape for the next job:

• After use: Power it off, wipe the camera head and cable with a damp cloth, and dry thoroughly. Avoid solvents that could damage seals.
• Cable care: Coil the cable loosely without tight bends. Don’t pull on the camera head or strain connectors.
• Battery and storage: Recharge before long-term storage and keep the unit in a protective case away from extreme heat or moisture.
• Before the next job: Inspect the lens window and connectors for debris or wear.
• Accessories: For compatible microSD cards or add-ons, check the product page details. Compatibility and replacement options vary by model.

Following these steps can help maintain performance, though results may vary with usage and environment.