LED Source: Warm and White 2835 LED Battery type: 3.7V 9000mAh Li-ion Battery (2×21700) Dimension: 106(L) X 90(W) X 180(H) mm Max output: 2000lm Function: White light - Warm light - Mixed light / Low - Mid - High - Strobe RunTime: 4h50min Material: Plastic+Aluminum