Equipped with long cable, 8mm probes , ergonomic design, and 4 hour 2600mAh battery for extended reach and 1 handed control in confined space for detecting invisible wires in wall , retrieving lost bolts under equipment, or inspecting cylinders interiors using included hook attachments Ideal for repair man , plumbers, HVAC technicians, and enthusiasts needing Precisions inspection of engines, pipe , or machinery component build with moderated glass and industrial optics for strong , high clearness visuals in automotive, construction, or maintenance environment superior industrial inspections with this 8mm handheld borescope featuring fast 1080P imaging, 4.3" screen, and not smartphone/ dependency for smooth operate, Manufacturer: Shurhome