Koopower Bike Bicycle Lights Front and Rear, Silicone Led Bike Light Set for Night Riding, Bike Headlight and Taillight,Waterproof Material & Safety Road (White & Red, 2 Pack) STAY SAFE WHEN YOU CYCLE Rear front bike light set gives you lights to mount on both the front and back of your bike, so that cars can see you in both directions and you can better see the road 3 WAYS TO BE VISIBLE The LED bicycle light can glow constantly, flash quickly or flash slowly to ensure that motorists see you ALWAYS READY FOR THE WEATHER Front and rear bike light is completely waterproof for use in all types of conditions EASY TO MOUNT Clips included for quick and easy mounting on your bicycle frame READY FOR USE Rear front bike light set runs on four CR2032 batteries, which are included for your convenience