[Headlight + Taillight Set] This Bicycle Light Set Has 200 Lumens At 200 Lumens. The Front And 50 Lumens At; The Rear. Signs Are Clearly Visible From The Rear. 100 Meters, The Road Ahead Is Illuminated, The Headlights Are On And The Taillights Warn.^ [Rechargeable By Usb] This Bicycle Light Set Is Easy To To Use, All Lights Are Charged Via Usb And Can Be Charged With The Included Micro Usb Data Cable. The Bicycle Light At Led Only Needs One Hour To Charge, And The Running Time Can Be Up To 1 Hour. 10 Hours.^ [Ipx4 Waterproof] Robust And Compact Bicycle Light - This Light Has A Durable Molded Structure, Which Is Minimal But Effective. The Case Offers A Water Resistance Rating Of Ipx4 To Protect The Light From Bad Weather And Any Dust And Dirt. On The Road.^ [Easy To Drive. Carry] The Bicycle Headlights And Bicycle Lights Are Very Light And Are Ideal For Transporting As Spare Lights Or Safety Lights. For Trailers, Disabled Vehicles And Other Purposes. Size: 43.5*30*27Mm/Piece.^ [Easy Installation] No Tools Are Required And The Bike Light Set Can Be Easily Installed. And Removed In Seconds; Just Click On A Different Mode And Load It. This Is Important For Those Who Change Lights Between Bikes Or Need To Get Off Their Bike.