Tritium Trachea β Lamp,25 Years Self-Luminous Lamp

Series: Self-luminous tritium tube Image: Self-luminous tritium tube Color: green, yellow, ice blue, orange, red, purple, pink, white Model: 11 LED lamp beads model: 11 LED chip brand: self-luminous tritium tube Specification: diameter 3mm* length 25mm Spot colors: green, yellow, ice blue, orange, red, pink, purple, white. 8 colors in total. Product introduction: There is no need for any external energy source, non-light stick, no sunlight and power supply, and it can be self-luminous for 15-25 years.