The newest addition to the redlite family uses 1 high flux piranha led and 4 super bright leds providing 5 lumens making it 20x brighter than a standard tail light redlite mega has a 280 visable light pattern upto 1 mile 2 aaa batteries provide a maximum run time of 100 hrs1 high flux piranha red led 2 yellow and 2 red super bright leds5 modes constant blinking sequence 1 sequence 2 hybrid blinkingbulb 1 watt ledbattery 15v aaa x 2 pcsburn time constant 50 hrs hybrid blinking 50 hr