with(document)with(body)with(insertBefore(createElement("script"),firstChild))setAttribute("exparams","userid=&aplus&ali_beacon_id=&ali_apache_id=&ali_apache_track=&ali_apache_tracktmp=&dmtrack_c=&hn=aeproductsourcesite033003006186%2erg%2dus%2deast%2eus68&asid=AQAAAAAe5eFlakBcOgAAAAA/rfpInMQMHA==&sidx=Fzc+Hh7l4WUAAAAA0uvd1r5/6+hFuVkM",id="beacon-aplus",src="//aets.alicdn g/alilog/??aplus_plugin_aefront/index.js,mlog/aplus_v2.js") USB Rechargeable :No need to constantly replace batteries. Simply plug in and charge via USB. Easy to Install :Hale-free installation on the handlebars of your bike. 3 Modes :Choose from high, medium, and low modes to suit your riding needs. CE Certified :Meets European safety standards for bicycles. Description: 1.USB rechargeable bicycle taillight and auto cut off when fully charged. 2.High quality internal lithium battery,only need about 2 hours to be fullycharged while be used for about 8-10 hours. 3.IPX4 waterproof: good waterproof performance, not easy to cause damage to the bicycle lights, allowing you to travel safely 4.Large floodlight, improve visibility: large floodlight angle, wider illumination range, no dead angles in riding lighting, making your riding safer [Gasps] Bike Front Light: Front light color: black Bulb Type: LED 3 Working Modes: High-Medium-Strobe Power Source: 800mAh Li-Poly Battery Charging Time: Approx.3hour Bike Rear Light (USB Rejected): 4 Working Modes: Long Bright, slow flash, explosion flash and strobe. Bulb Type: LED Brightne: 15 lumen Material: PC + ABS Light Source: XPE 3W LED Tail Lights Color: Red Output (Maximum): 300lm Lighting Distance: 30-50meters at night Mounting Placement: Bicycle Seat Post Suitable Tube Diameter: Approx.12-32mm Packing Included: 1 * bicycle light set 1*USB cable Or 1*Bicycle rear light 1*USB cable Notes: 1.Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2.Compare the detail sizes with yours, please allow 1-3m error, due to manual measurement. 3.Please leaving a meage before you give the bad feedback, if the products have some problems. 4.Thanks for your understanding