Duro-Flasher was made with longevity in mind.  It has no switches or moving parts to break off or become damaged.  It is water and weatherproof. The Lithium battery lasts four hours between charges.  The on/off switch has been incorporated into the recharger design - plug it in to turn it off and charge it, and unplug it to turn it on and put it to work.  

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Functions Include:
   Red flashing, Red Steady, 
   Green Steady, 
   White Flashlight, 
   White Flashlight with Red flashing.

6 functions:
Red flashing - Red steady - Green flashing - Green Steady
Blue flashing - Blue steady

4 function:
       White flashlight -   White flashlight with Red flashing -   Red flashing -  Red steady

Triple Function:
    Flashing - warning - steady light
    LED color available in Red,  Yellow,  Blue,  Green,  White 
    Uses 2 - "C" batteries (not included)  Standard size:  13.3"L x 1.5"W