Features: TL-9570A:4 x "AA" water resistance head lamp1)Super brighter;2)Use 4 x "AA" battery;3)3 LED light; 4)4.8V/0.5A krypton bulb; TL-9570C:4 x "AA" water resistance head lamp1)Super brighter;2)Use 4 x "AA" battery;3)8 LED light; TL-9572A:LED pen light1)Use 2 button cell;2)With high brightness LED; TL-9576:3 x "AAA" water resistance head lamp1)90o Rotatory;2)Use 3 x "AAA" battery, 3 LED light, 3.6V/0.25A bulb;3)Spare bulb included