Hatori Bike Warning Light Bicycle Head Light with 5 Bright White LED Plus 3 Red Tail Rear Light Lamp 5 LED headlight, tool-less handlebar mount, 30-40 feet range, quick-release mount 3 LED taillight, angle adjustable quick-release mount 3 modes on each light Weather resistant Up to 80 hours, visible to motorists over 1500 feet away, 4 x AAA (not included), 2 x AAA (not included)