Sae Class 11, Ce, R10, Ip65, Ameca, Rohs Four Led Reflector Modules, Each Containing Six Leds Provide High Intensity Light Output Choice Of 18 Flash Patterns Polycarbonate Base & Low Profile Lens Temperature Range: -22 Degrees Fahrenheit To +122 Degrees Fahrenheit (-30 Degrees Celsius To +50 Degrees Celsius) 5545A Led Microbars Provide A Super-Compact Yet Powerful Warning Solution That Offers The Flexibility Of Either Permanent Or Vacuum-Magnet Mounting. Featuring 12-24 Vdc Operation, The Reflex Microbar Uses High Intensity Leds To Maximize Light Output. Users Can Select From 18 Flash Patterns, Either Via Trigger Wire On Permanent Mount Models Or Cigarette Plug Switch On Vacuum-Magnet Models.