Light Source: LED+COB Lumen: Single 220LM+150LM Battery: Single 3.7v 2000mAh Switch Function: 100%LED-50%LED-100%COB-50%COB-Red Flash Operation Time: 7 Hours Charging Time: 3 Hours Charging Port: Type-C Dimension(mm): 28.5x28.5x103.5(Lamp) 216x195x42(Hanging Neck) Weight(g): 338