Xfire safety laser light makes a portable nighttime bike lane - CNET
Amazon.com : Super Bright Bike Laser Light USB Rechargeable Bike Tail Light Rear and Front Cycling Lights 5 LED 6 Modes Waterproof Mountain Bicycle Light with Safety Warning Lamp for Bicycle Night
2 Laser+5 LED Rear Bike Bicycle Tail Light Beam Safety Warning Red Lamp - Walmart.com