Product Details: Model Number: LED Emergency Light Battery capacity: 3600 Mah (3 pcs18650 build in) LED type: LED high power Chip LED QTY: 48LED+20COB Material: ABS Shell color: Black Input Voltage(V): DC 5V Charge Method: Solar panel, USB wire Lamp Luminous Efficiency(lm/w): 100 Color Rendering Index (Ra): 80