CVLIFE Laser Bore Sighter with ON/OFF Function

About CVLIFE Laser Bore Sighter with ON/OFF Function 【ON/OFF Switch】The CVLIFE .17hmr/.177Cal laser bore sight is equipped with an ON/OFF switch, making it easier to use. No need to remove the batteries every time, saving much time. 【Easy to Use】The .17 end barrel laser bore sighter is designed for ultimate convenience with its plug-and-play functionality, helping you get your aim close efficiently. 【Extra Battery and O-Ring Supply】Comes with 4 sets of batteries (12 LR41 batteries in total), each providing up to 90 minutes of laser operation. Includes plenty of spare O-rings for replacements and a sturdy metal case for storage. 【High Accuracy】Calibrated at the factory, requiring no further adjustments. Made of premium brass with sturdy construction, offering better performance in temperature resistance and accuracy. 【Specification】Designed to fit .17HMR, .177Cal specific calibers. Just insert the bore sighter into the barrel (without si-lencer) directly, easy to use and quickly gets the job done. Class IIIA laser, less than 5mW. Product Description No need to remove the batteries every time! Simply turn the tail rod to turn off the laser. No need to unscrew the tail rod completely. No need to remove the batteries every time, saving much time for you. CVLIFE Bore Sight Laser: Long lasting and portable 12pcs Batteries Provide more batteries and longer runtime 4 sets of LR41 battteries (12 in total) Each set can provide 1.5h runtime Package Included 12 x O-rings & LR41 batteries 1 x .17HMR laser bore sighter 1 x small tin case 1 x user manual Product information Technical Details Item Package Dimensions L x W x H ‎3.27 x 2.81 x 0.82 inches Package Weight ‎2.3 Ounces Brand Name CVLIFE Warranty Description ‎30 days from purchase Model Name ‎.177 Laser Bore Sight Color ‎Red Laser Material ‎Brass Suggested Users ‎unisex-adult Manufacturer CVLIFE Style ‎.17HMR/.177CAL Included Components ‎1 x .177cal laser bore sight, 12 x LR41 batteries (4 sets), 1 x User manual, 12 x Spare O-rings (3 sizes, each size of 4pcs)