... indication, practice shooting, etc.Color, red, yellow, blue, green For game:Size, 40mm*20mmWeight, 7-8gramsLight Way, electricSmoking time, ≥5seconds.Output ... machine, smoke sprayer, magican smoke spray, M18 color smoke for fire drill exercise, periscope and camera pen etc.. After years ... a number of well-known brands at home and abroad for OEM cooperation. We are increasing investment in research and ...