ROCKBROS Bike Headlight 850LM Bicycle Handlebar Front Lamp USB Rechargeable Lamp
Lamp Beads: 2X5050 High Power LED,2X5050 High Power LED. Low light > OFF in sequence. Battery: about 2x18650 lithium batteries (2400mAh), about2x21700 lithium battery (10000mAh). Size: About 10.5 X 4.2 X 2.55cm, About11.7X5X 2.9cm.