4 MODES SOUND: The Skull Electric Bike Horns has 4 different sounds with clear and super loud volume, up to 120dB. Push black button to switch the sound effect.
WARNING LIGHT: With 2 warning light eyes on it, bring more safety at night. Higher loudness, compatible with all bikes including road bikes.
EASY TO INSTALL ON HANDLEBAR: Turn the knob to adjust the horn according to your handlebar diameter. The bike bell and switch can be installed separately.
ALUMINUM D-SHAPED CARABINERS: Come with a D-shaped carabiner with locking screw, suitable for hanging things on backpack, working as key ring, holding bottle, etc.
BONUS: Come with 2 AAA batteries (included), replaced by using screwdriver in the package.