Global Handheld Krypton Flashlight Market By Type (ABS Plastic Flashlight Bodies , Aluminum Flashlight Bodies , Polymer Flashlight Bodies , Rubber Flashlight Bodies , and Other), By Application (Household , Travel & Camping , Rescue and Relief , and Other), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029