... water, gaps and holes. Optional Extension Cable (2m/ 3 m / 5m) allows you to extend the vision of inspection point. The ... many applications including HVAC inspection, vent pipe, machine equipment, engine, cable routing, automotive / boat / aircraft inspection. * LCD: 2.4 ... * Automatic white comparison & exposure to light * Camera Illumination: 4 white LED* Camera: Lens: f/2.8 Lens Coverage: 54° ...