Firstly, Canik Truglo Tritium Pro night sights transition from standard white dot sights during the daylight. Secondly, to glowing green dots in the the dark.  Thirdly, Tritium does not need batteries and does not need to be charged with light – it simply glows

• Front sight FOCUS
• Secondly, LOCK ring for even faster focus
•Thirdly,  Quick and accurate U-notch Design
•Further,  Angled rear sight edge for emergency one-hand operation
• Moreover, Assembled in USA with quality Swiss Tritium for maximum brightness
•Firstly, Unmatched visibility in low–light shooting conditions or complete darkness
•Secondly,  Utilizes quality Swiss tritium for maximum brightness
• Thirdly, Glows-in-the-dark – no batteries or light exposure required
• Further, FORTRESS FINISH™ provides a permanent protective coating for maximum protection
• Moreover, Snag resistant design / fits standard holsters