Bullet_point: ['LONG LASTING BATTERY - The SL includes a CR1/3N lithium battery, lasting between 300 - 1,500 hours depending on brightness level and usage. The battery is accessible from the top of the sight, eliminating the need to dismount and re-zero the sight when changing the battery.', 'MOUNT READY - This Serendipity sight has a frame width of 1.0 inch, fitting models such as the CZ-75, TZ-75, EAA Witness, and Springfield P9. Mount directly to the frame by drilling and tapping 3 separate holes.', 'PROVEN COMPETITOR - Our sights have been used to win the IPSC World Championship, USPSA National Championship, and many more state, local, and international competitions.', 'RUGGED & DURABLE - Built from a rugged polymer, a large performance coated glass lens, and only weighing 3.75 oz, count on the SL to withstand all weather conditions and use cases.', 'ULTRA BRIGHT & PRECISE - A large heads up display provides an unobstructed sight picture where the red dot hovers on the sight line, illuminating the point of impact on the target allowing for fast target acquisition.'] (Page 1)