Led safety flare is an essential piece ofequipment for police, firefighters, emts, rescue services, first responders, members of emergency response teams and the general public. s, working life is morethan 100, 000 hours; using high-capacity battery cr123 as power, built-in icchip control led flash. It has 9 user-selectable flash patterns: rotate, double blink, single blink, alternative, sos (morse code) for rescue, solid-on (high), solidon (low), 2ledflashlight and 4led flashlight. , lighting covers 360 degree direction¡¡ê * high endurance even rolled under acar; back with two strong magnets, canbe attached on iron surface; shatterproof, and water- resistance. Compact & visible up to a 1/2 mile away. Storetemperature from-40c to + 60c.