ROCKBROS Bike Front Lights Rechargeable Head Light 800Lumen 10000mAh LED
Battery: about 2x18650 lithium batteries (2400mAh), about2x21700 lithium battery (10000mAh). Lamp Beads: 2X5050 High Power LED,2X5050 High Power LED. Range: About 150m,300m. Low light > OFF in sequence.