Originally Posted by John_V

For some of us who seldom if ever ride at night or in low light, having the driver see me isn't as important as me knowing where the vehicle(s) are behind me. A 300 lumen light might make you a little more visible, if the vehicle driver is paying attention, but it's not going to let you know that there is a vehicle(s) behind you or at what relative speed or distance. Nor will your light tell you if the vehicle is on a collision course with you. I've had mine for five months with just over 3,000 miles of riding and have yet to have a vehicle sneak up on me. The radar may be lame to you but I'll take over a bright light any day of the week.