Direct Green Laser Module VLM 520 53 LPT (Non DPSS Green Dot Laser module: operating temperature range : 4 °F ~ 140 °F) healthDE_Feb2024 Product description Product description: Kneipp B0FVW66T1F Product description Product description: Kneipp Arnica cooling and pain gel contains valuable active ingredients from the arnica flower in high concentration Read more 60 Billion Probiotic Women's Probiotic Thin 30 Probiotic Kids Probiotic Probiotics for the whole family Laser modules are NOT supposed to be used for commercial use like normal laser pointers People once thought that green lasers were meant to perform poorly at low and high temperatures