[Ultra Bright to Keep You Safe]: 260 degree wide angle visual design provides more visibility than other lights. What's more , the COB lamp beads produces super bright light to make this rear bike light can be seen from a good distance, which can enhance maximum your cycling safety.[Wireless Remote Control]: The remote control installed on handlebar allows you to switch the lighting modes by using the buttons on the wireless controller during riding. Perfect for use as bike tail light, a helmet light ,a caution light on a stroller or a camping light[6 Light Modes & Waterproof]: Turn left light, Turn right light, Brake light, Steady red light, Fast Flash, Flowing Light. Weather tight design ensures all condition use.[USB Rechargeable:] Stop Wasting Your Money and Never Buy Batteries. The bicycle tail light charges from your computer or any devices with USB port.Only takes 2 hours to fully charge but can work up to 12 hours in constant brightness mode.[Easy to Install]: Horizontal or Vertical Mounting, 360 rotation mountable cycling blinker installs and flexible detaches around any handlebars, post, frame or helmet in seconds with no tools required.Specification:Lumens: 100LMBattery: 500mAhBeads: Bright COBWeight: 30gSize: 88 x 19 x 30 mmCharging: USB rechargeable (about 2hours)Battery Indicator: Green, redRunning Time: 5-15 hoursLight Modes: Steady-Flash-StrobeColour: BlackMaterial: PlasticPackage Contents: 2 x Bike Lamp1 x RemoteOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.