Cree TK27 160lm LED Wearable Adjustable High Power Headlampcree TK27 160lm LED Wearable Adjustable High Power Headlamp with HighLow setting and ZOOMStrobe functions (AAA Battery)Features of Cree TK27 160lm LED Wearable Adjustable High Power Headlamp AAAAAAAA cree LED light lasts more than 100,000 hours AAAAAAAA 170m beam range with 160 lumen output..