Model No.: HL70816-20/40W Light Source: COB Lumen: 1800LM/2800LM Battery: 3.7v 6000mAh/3.7v 10000mAh Switch Function: 100%-50%-SOS Operating Time: 2-11 Hours Charging Time: 8 Hours Charging Port: USB-Micro Dimension(mm): 222x205x67.9 Weight(g): 1170/1371