Make Your Nighttime Rides Safer With The Bicycle Tail Light (5LED+2Laser)

Which type of bicycle can use this whells light? Not only Use for Mountain bike / road bike / folding bike, but also jogging, walking, bicycles, car emergency, horse-riding, road emergency & camping, and so onIs there a flashing function?Yes, this is yes,5 LED lights beads,2 laser lights remind someone else of keeping distance, add safetyIs the battery durable? How long can you stay?Working time: 9-36 hours depends on the batteries,Power: 2 x AAA batteries (Not included)How many colors can I choose? You can choose two colors for example  Red and bule Can you turn off the switch? Yes, that must be   Package include: 1 x Bicycle Laser Beam Rear Tail Light Lamp, 1 x Bicycle Mount (without batteries )