Energizer Ultimate Lithium LED Headlight, Silver/Black/Blue One CREE LED provides 100 lumens of bright, white light in high mode, with 5 Lighting Modes 5 light modes; white (high, medium, low), strobe and red. Also, boost button provides 130 lumens of bright, white light for up to 15 seconds. Pivoting head directs light and focusing mechanism regulates beam from tight spot to wide flood Interchangeable AA and AAA battery packs are included. Lifetime Guarantee. Three Energizer Ultimate Lithium AA batteries, and three Energizer Ultimate Lithium AAA batteries are included