With a massive 4750 lumen output when using Reflex+ technology & a huge battery to match, the Six Pack MK10 is a beast that will light up the trail in the darkest of hours. The Six Pack boasts a massive 3600 lumen output as standard, & up to 4750 lumens when heading down hill with the Reflex Plus technology. With a runtime of up to 36 hours & weighing in at just 386 grams, the Six Pack truly sets the bar when it comes to lights. Throwing out deep, penetrating beams that will light up the trails & road as if it was midday. With a Optimised Mode Selector offering 10 modes, there will always be the right mode for you. Reflex+ Reflex+ technology utilises two thermistors to detect wind chill, a gyro to detect gradient & an accelerometer to dim & brighten your light when you need it the most. When youre heading uphill, youre naturally going slower so need less light, so the light dims to conserve battery. Then as you descend & pick up speed, the light will boost to its full potential so you can see exactly where you going. The light will even dim to 5% when youre stationary to make your battery go further. It will do all this whilst maintaining the burn time that you have selected. Internal Thermal Management When the internal temperature of lights increase, they begin to lose power & become less efficient. Thanks to ITM technology, the internal temperature of Exposures lights is managed to maintain efficiency for the entire burn time. Oled Status Display The OSD panel provides programme & mofe information, & battery power/burn time when youre on the move. It also displays battery level when its charging.