Moon gemini front lightthe moon gemini front light is a great front light for when being seen is more important than being able to see the light features a heat sink which is designed to draw heat away from the internals making the light more energy efficient with a bright 80 lumens the light can be seen from a fair distance away the gemini features a handy auto safe mode which guarantees 1 hour usage when the light gets to a certain amount of battery life left it will switch over to the