... signal indication, practice shooting, etc.Color, red, yellow, blue, green For game:Size, 40mm*20mmWeight, 7-8gramsLight Way, electricSmoking ... time, ≥5seconds.Output, 20-30cbmColor, red, yellow, blue, ... sprayer, magican smoke spray, M18 color smoke for fire drill exercise, periscope and camera pen etc.. After years ...