... AA battery or 14500 battery2.small and exquisite3.durableYezl A3 CREE Q5 LED 3 modes AAbatteryBrand:YEZLModel: A3Size: length 99mm, diameter 25mmWeight ... high - medium - low A. high light, current: 800MA-1200MA B.medium light, current: 240MA-360MA C. Low light, current :80-100MA Shift: power ... time of 40 minutes to highlight, medium light 120 minutes, 400 minutes of low light 3, Battery: 1AA or 14,500 ...