NightRider Lumia 700 Headlight with Helmet Mount Run Time: 1:30 HR High - 700 lumens; 3:00 HR Med - 350 lumens; 5:30 HR Low - 200 lumens; 18:00 HR Walk - 40 lumens Charge Time: 6:00 HR Weight: 172g 550 Lumens One Piece, Modular Design