Waterproof Bicycle Cycling Taillights LED Laser Safety Warning Bicycle Lights Bicycle Tail Accessories Lights Ultra Bright Bike Tail Light Bicycle High Intensity 5 LEDs Warning Accessories for Mountain Bike Description LED mode: long bright, high frequency and slow flash. The waterproof function allows you to go out even on rainy days. Tough and thin and adjustable buckles, resilience to impact and good elasticity. Safe and power saving. It can work continuously for 9 hours at maximum power. Due to the difference between different computers, the picture may not reflect the actual colour of the item. Specification Material: shown as pictures. Lighting type: red parallel line, blue parallel line, red starlight. Size: 80*70*33mm. Package includes: 1* LED bike tail light (without battery).