This kind of Nixie Tube is having 8 pins for signals tranferred to 7 strokes plus 1 decimal place on the LED display.
Google-search with its model number "5101AS" for specifications.
這類數碼管共有8針 - 7 針控制數字上的 7 橫,餘下的 1 針是給小數點。
有關硬件規格可以其產品編號号 - "5101AS" 在網上搜尋到。