LaserMax Battery Pack for Internal Sights For Glock & Sig. Reliable lightweight and powerful the Lasermax Silver Oxide Battery for Guiding Rod Laser Sights will operate flawlessly across a wide range of temperatures. Reliable lightweight and powerful the Lasermax Silver Oxide Batteries for Guiding Rod Laser Sights operate flawlessly across a wide range of temperatures and feature a 5-year shelf-life.For a great way to make sure you have the power you need to thrive in any environment choose the Lasermax Silver Oxide Battery for Guiding Rod Laser Sights . Specifications for Lasermax Silver Oxide Battery Pack for LaserMax Internal Laser Sights: Manufacturer: LaserMax Battery Quantity: 4 Additional Features: Shelf Life - Approximated at 5 years Battery Type: Silver Oxide Battery Chemistry: Silver Oxide Gun Make: SIG Sauer Glock LaserMax Battery Pack for Internal Sights Set of 4 - For Glock & Sig