Bike Lights 4000 Lumen Bike Lights for Night Riding, 4 Cree LED Bike Headlight, Super Bright Bicycle Light with High Beam & Low Beam Light, with 20000mAh Battery Bank (4000 Lumens) - ACRUNU

• Most Powerful Bike Lights: Our brightest mountain bike light is capable of putting out 4000 lumens max from its combination of flood and spot LEDs. Powered by a Type-C in/out capable 20000mAh capacity battery pack High Beam & Low Beam Mode: The bike lights for night riding have 13 adjustable light modes, free to switch according to your needs. The bicycle light covers a wide range of up to 984ft, it allows you to ride at night to see wider and further areas, and night rider bike lights are safer Aluminum Alloy Material: Our mountain bike lights for night riding is made of aluminum alloy, IPX4 is waterproof, When the high beam lamp and the low beam lamp are switched on at the same time, the maximum brightness will be reached and there will be a certain temperature. The heat dissipation design on both sides can provide protection Endurance: The bike headlights portable battery can reach 19.5 hours, and it has a USB output function, can use it as a power bank to charge your smartphone, which is very important in outdoor emergency situations Upward or Inverted Installation is Supported: One-button quick-release mount, no tools required, 360° rotation. Free of a base installed upside down, If you have a cycle computer stand, you can install the mtb light upside down， base compatible with handlebars: 22~32 mm (0,86~1,26inch)