The Ridgid Micro CA-25 Digital Inspection Camera on a white background. Even for DIYers with excellent eyesight, there are barriers that can’t be seen through—at least not without a borescope.

The Teslong video borescope comes in various cable ... The Klein Tools Wi-Fi ET20 borescope inspection camera might be worth the investment for folks looking for a unit with smartphone compatibility.

A growing trend is to mount a borescope “inspection camera ... down so it would fit neatly over the camera. But judging by the sharp and bright demo video he’s provided, we’d say the ...