[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 compatible with 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, seat 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 shooting 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.