21 LED Bright LED Lamp for Bicycle, 3 Stage lights with Flashing Function, provides you with long lasting, powerful and portable light at a great price,easily fixed on your bicycle and tucked away for quick access just about anywhere.This bike lamp is equipped with 21 LEDs, capable of producing a Bright beam that projects up to 50ft. The bicycle lamp will provide 30 hrs.of run-time on 3 AAA batteries (not included).

Specification:

21 ultra bright white LED's
Waterproof
Head diameter: 1.57 inch
2 operation modes: steady Light and flashing
Extensive Lifetime of LED (100,000 hours)
Powered by 3 x AAA batteries (not included)

Bicycle rear light features:

5 bright led bulb
7 flashing modes
Waterproof
Require 2 x AAA alkaline batteries not included

Package includes

Battery : 3 AAA batteries (not included)