cree led flash light: 1,aluminium case from airplane 2,3.7V 3,2400MAH ... battery 4.battery protect when voltage over cree led flash light Features:1 Material: T6061T6 Aerometal2 Surface treatment: Hard anodizing (Colorful ... .2V,2100mA)7 Time of continuous illumination: Intense light 2.5 hours, low light 25 hours,flash light 2.5 hours8 Charge Time: 10 ...