Teslong Classic Endoscope, Basic-5.5mm-9.8ft Semi Rigid Waterproof Borescope, 3.5inch LCD Screen Inspection Camera with Tool Box, 6 LED Lights, 4X Zoom and Video Recording The classic industrial endoscope of Teslong brand, which having been in great demand for 5 years, it is widely used in the fields such as car maintaining, mechanical inspection, pipe repair and house maintenance, etc. Teslong is the pioneer to improve the diameter of probe camera as small as 5.5mm(0.21 inch), the smaller diameter make it easier to extend the field of view to a narrower space, such as car spark plugs, wall drilling, rusty water pipes, violin f hole etc. We insist on using traditional high-quality metal gooseneck which flexes and retains its shape better than any other cheap hard wire, making it easier to get your field where can't be seen directly with your eyes. Equipped with a 3.5-inch QVGA color LCD display, you can use it immediately when it is powered on. It is simple and convenient, does not require phone and computer to download any driver software. For Teslong, every product has a 12 month and unconditionally return or replacement. Feel free to contact us if theres any question about the item.