TruGlo TRITIUM PRO S&W EZ 9MM SET - WHITE White. TRITIUM PRO night sights transition from standard white dot sights during the daylight to glowing green dots in the dark. Tritium does not need batteries and does not need to be charged with light it simply glows Specifications for TruGlo Tritium Pro Night Sight: Manufacturer: TruGlo Color: Black Rear Sight Color: Green Fabric/Material: Tritium/Fiber Optic Gun Type: Handgun Illumination Type: Tritium Illumination Color: Green Condition: New Condition Quality: Excellent Condition Details: Other Country of Origin: USA Features of TruGlo Tritium Pro Night Sight CNC-MACHINED DUTY PROVEN NITRIDE FORTRESS FINISH Package Contents: TruGlo Tritium Pro Night Sight TruGlo TG-TG231MP4W: TRITIUM PRO S&W EZ 9MM SET - WHITE White