5 LED Water Resistant Bike Bicycle Head Light+ Rear Safety Flashlight

1. Applicable diameter: diameter within 3.2 cm for headlights and 2.5mm for taillights
2. Bicycle taillight: highlight 5 LEDs red + transparent ring flash
3. Engineering plastic + waterproof rubber gasket
4. 2xAAA batteries (without batteries)
5. Suitable models: mountain bike / road bike