... ColorWhitePower Supply3 x AAA 1.5V Battery (Not Included)Fit for Head GirthMax. 50cm/19.7''Lamp Cup ... StrapDescription:Designed with 4 light working modes, when you press the button for the first time, 4 LED ... will light, then press at the second time, 8 LED will light, ... at the third time, 12 LED will light, then press, 12 LED will flash. The headlight can be ...