Using R5 lamp beads, better quality and brightness than XPE lamp beads, brightness up to 500 lumens. Come with high quality high capacity battery for 3 hours. The lithium battery can be recharged at least 10,000 times. The 501B-S Red Light torch has the feature of telescopic focus adjustment, allows you to cover a larger area. Telescopic lens, zoom in - larger vision, zoom out - farther vision. Come with an extension switch and a mounting clip to mount the flashlight to your bicycle or other 25mm-35mm diameter poles (anywhere as long as you can fix it) The eyes of animals are sensitive to white light, but they are not frightened by a red LED flashlight, so this red light is very useful for finding animals in the dark, such as pigs, coyotes, foxes, snakes ... Under the red light, you can find them without disturbing them, help you observe their natural behavior at night. You can get: Red Light Flashlight X1, Battery X1, Charger X1.