HiViz Litewave H3 features a combination of Tritium and Fiber Optics for the most Complete Sight Solution Available HiViz Litewave H3 Tritium/Litepipe sights combine the latest and greatest Tritium and Litepipe technology for amazing illumination in any light condition. Now you can have the best performance whether you are on the range at high noon, or having to break a critical shot in the dead of night, the Litewave H3 has you covered. Tritium has a half-life of up to 12 years according to the date stamp on the actual sights. These sights are housed in a durable steel housing and feature a matte black finish. HiViz Litewave H3 Tritium/Litepipe Sight Set (Matte Black) Specifications and Features: HiViz EZN321 Sight visibility in all light conditions Ultra bright encapsulated Tritium Factory sight heights All steel construction Fits standard holsters Patented technology Green Front Sight with White Ring Green Rear Sight Matte Black Finish Fits: Smith & Wesson M&P Shield 380EZ