Features: Durable USB Rechargeable Battery-Built--in 650mAh lithium battery makes these LED bike lights super bright in the dark. Fully charged in 3 hours and lasting over 6 hours, allowing you to avoid unnecessary battery replacement forever. They can be recharged with any device featuring USB ports (PC/ Portable charger/ wall charger/etc) and include over-charge protection. Absolutely the best USB bike lights for cycling enthusiastsFour Light Mode Options --Both the white front light and red rear light support 4 light modes: Constant Full Brightness / Constant Half Brightness / Blasting Flash / Stroboscopic. By simply clicking the button, you can switch modes as you wish. Light up the road ahead of your bike with a bright headlight and call attention to drivers approaching from behind with the bicycle LED taillight, giving you 360 degree protection.Installed Securely -- Advanced and flexible silicone mounting straps provide great safety, holding the USB-rechargeable bike light set tightly enough to prevent falling off even on bumpy roads. Loosen and fasten them easily without any tools required. Fits all kinds of bikes such as kid bikes/ road bikes. The package includes 2 straps + 2 replacement straps.Waterproof & Light Weight--Fully enclosed design to protect the cycling light set from rainy days, even the USB port is completely covered, making it convenient to use in all weather conditions. The light weight and sturdy shell guarantees stable performance, which is very important when you ride on complex terrain.No Risk Shopping Experience --We firmly believe that Balhvit bike lights are the great choice for your everyday cycling. We always try to provide the best product with reliable service. No matter what issues or questions you have, simply contact us by email and we will help you in the shortest time possible. Go ahead and buy with confidence - without hesitation.Binding: SportsRelease Date: 04-07-2018model number: HYD-018Part Number: HYD-018Details: Have you been looking for a set of durable and extra bright bike lights? Then here it is.Balhvit USB-rechargeable LED bicycle light set with durable, rechargeable and long-lasting lithium battery, supports 4 modes to meet all needs while riding. Waterproof design and light weight allow them to withstand all weather and terraintypes. What are you waiting for?Super bright and long-lastingPowered by 400mAh Rechargeable Lithium Battery providingexcellent visibility for your night rides. Follow the roads using the bright front lamp and use the red back light to avoid beingbumped by others.USB-rechargeable batteryDon't waste time changing batteries, it takesjust 3 hours to fully charge with the USB cable. The high quality battery is the key to allow you to recharge again and again.Max Run Time of Four Light Modes (Fully charged)Constant Full Brightness : 6 hoursConstant Half Brightness : 22 hoursBlasting Flash : 6 hoursStroboscopic : 7.5 hoursNote : Click the button to switch to a different mode.Indicator PerformanceCharging Indicator: Red LightFully Charged Indicator: Green LightFull charging time : 3 hoursPacking List1 x LED Front Light (white)1 x LED Tail Light (red)2 x USB Cables4 x Silicone Mounting StrapsFeel Free To Contact UsPlease don't hesitate to send us an email if you have any issues with our product, we will deal with it promptly to ensure your 100% satisfaction.