A rifle borescope perfectly designed for inspecting your barrel and checking that it is cleaned correctly and will perform on the range. • DESIGNED FOR RIFLE INSPECTION - With an innovative, close-focusing sensor, our Teslong digital borescope will help you inspect the inside of your rifle barrel on a Windows PC or Android mobile device, but is not compatible with iOS devices (iPhones/iPad). This device is a great tool to evaluate your cleaning regimen or diagnose firearm problems that will save you time & money! • PLUG AND PLAY - This borescope requires no external apps or software, just turn on the 4.5-inch color IPS screen to view or record still images & videos at a high definition (1920x1080) resolution, which are then saved to the included 32GB Micro SD memory card. • FITS .20 CALIBER & LARGER RIFLE - The 0.2-inch diameter probe allows easy entry into rifle barrels as small as .20 caliber. The 45-inch flexible visual gun cleaning camera is longer than most rifles, so there is no need to switch from barrel to muzzle to fully inspect the bore. • LED RING LIGHT & SIDE-VIEW MIRROR - Six LED lights are adjustable for brightness and give the camera a perfect view of the darkest inspection areas. The borescope includes an adjustable, detachable, 90° side-view mirror. You can check the rifle barrel wall, or remove it to check the firing point. Includes 3 extra mirror in the case of damage or loss! • WHAT'S IN THE BOX - 4.5-inch borescope monitor, 45-inch flexible borescope probe, 3 x side-view mirrors, 32 GB micro SD memory card, USB Type-C charging cable, user’s manual, screen bracket, durable plastic carrying case, Let TESLONG Tell You, Which Gun Cleaner Is The BEST Cleaner Cleaning and maintaining your favourite rifle is a full-time job, and it can be difficult to properly accomplish if you aren’t able to look deep into your rifle’s barrel. Teslong borescope will help you assess the condition of a barrel, and tell you a lot about how your cleaning regime is working. You can also take a video or snapshots and keep an accurate log of your barrels as they clean. You will soon see how good your cleaning regime is and which products really work, instead of listening to all the hype about who works best. Care Bore with Teslong, Improve Your Shooting "Clean barrels shoot better. BR shooters clean every 15-20 rounds, for that reason." Stop the guess-work with a Teslong Borescope that will let you see what's really going on inside your barrel. Teslong borescopes are the ideal tool to verify that your cleaning regimen is effective & are useful for inspecting older barrels for wear, rust, pitting, fire-cracking, throat erosion, and other defects