... ,dustproof,scratech resistant long service life LED Warning light:TBD-JH-501212 Two year warranty! 11 flash patterns. long ... service life, waterproof, scratech resistance! Good after-sale services! TBD-JH-501212Ambient Temperature: -40°C~55°CWorking voltage:10~13 ... development, production and sales for siren, warning light, LED beacon and various kinds of police equipment such as mobile electronic ...