3D Printed Metal Titanium Alloy Arrow Tritium Lamp Self-luminous for 25 Years

noted: Tritium does not emit light during the day, but in dark environments it will emit light by itself without any energy, because tritium can emit light by itself for 25 years
Shell arrow shape, made of titanium alloy metal 3D printing manufacturing process, the surface has 3D printing marks, not smooth, if you are very concerned, please do not buy, internal inlay tritium tube, each tritium tube may have a slight brightness difference, this is a normal phenomenon, if you are a perfectionist, please be cautious