Bright Eyes LED Bike Light Set - 270 Lumens Front Bicycle Headlight With Rear Aluminum Red Tail Light and Spare Mount - WATERPROOF CREE EMITTER TECHNOLOGY - Medium, High, and Strobe Settings Goes From 80 Lumens to a Strong 270 Lumens FOR YOUR SAFETY - The Bright Eyes Dependability That You Know and Trust TWO STURDY MOUNTS INCLUDED - We have Included a Spare Mount That You Can Use To Hot-Swap Between Bikes or Just as an Extra 100 Percent WATERPROOF Set (Not Immersible) - So You Dont Get Wet AND Get Lost Without a Light INSTALLS IN SECONDS - No Tools Needed. Quick-Release Feature For Anti-Theft and Convenience. LIFETIME GUARANTEE