... "9" Serious UP, the hightest initial brightness can reach 28000 mcd/m2 and can glow more than 13 h; For "8 ... " Serious UP, the hightest initial brightness can reach 22000 mcd/m2, and can glow more than 12 h; For "7 ... " Serious UP, the hightest initial brightness can reach 17000 mcd/m2, and can glow more than 10 h; The lowest ...