Multi-functional: Bike light, Torch, Diving (up to 20m / 66ft.) etcLong lasting: Up to 150 hours operation with 4 x "AAA" batteries (not included)Features:(9 LED Bike Safety taillight) 100% brand new and high quality 9 LED Bright Red lights. Water resistant 7 Modes: 1 steady, 2 kinds of flashing and 4 kinds of running light. Quick release bracket, easy install to your bicycle Suitable for any bicycle to give alert in bad weather. Long lasting: Up to 150 hours operation with 2 x "AAA" batteries (not included) Color: Black Package Contents: 1 x Bright Biycle 5 LED Headlight +9 LED Rear Light