BikingMyWay Classic Bike Safety Light Set (2PCS) - White Front Light, Red Rear Light - Mount onto Handlebar, Seat Riser, Helmet Include One Front Safety Light (Black Aluminum Shell, White Light) and One Rear Safety Light (Black Aluminum Shell, Red Light) Three Working Modes: Blink Fast, Blink Slow, Steady On. One-Touch Switch Design: Cycle through the modes by pressing the light lens. Quick Release Design: Installation or Removal Without Any Tools Durable and Flexible Silicone Band: Can be mounted on handlebar, sear riser, fork, backpack, helmet and more Visibility: 17 Lumen, Up to 200 Meters; Illumination Range: 240 Degrees; Mounting: 20mm - 40mm Battery Included (CR2032): 2 Batteries per Light; Battery Life - 50 Hrs on Steady, 150 Hrs on Flash