Zakka Republic LED Headlamp Flashlight with Motion Sensor, Super Bright, Ultralight, 160 Lumen Head Light ULTRALIGHT AND COMFORTABLE. Weight only 5 oz with battery. New, improved strap has enhanced durability, easily adjustable and sits comfortably on forehead. Won't bob around. SUPER BRIGHT AND MULTIPLE LIGHT SETTINGS. This Head Flashlight has a Certified CREE bulb with a Super Bright 160 lumen and reaches 120 meters. 3 MODE: High/Low/Strobe, you can choose the suitable light. MOTION SENSOR. Headlight can be turn on and off by using the motion senor. Battery powered, requires 3-AAA batteries (NOT INCLUDED).