Description: 100% Brand new and high quality! Loud siren to draw people's attention on street, keep you from danger by warning or noticing others. Bell can be adjusted to 180 degrees rotation, Loudly sound approx 90 dB. Made of plastic, rainproof, suit for a variety of bicycle models. Easy to install and remove on bike with clamp provided. Specification: Sound Emitted: About 90 dB Dimensions: Approx. 4.3 * 5.2 * 7 cm Clamp Diameter: About 2.1m Material: Plastic Power by: 2 X AAA Batteries (Not included) Color: Black, White, Red, Blue, Yellow Package included: 1 x Bicycle Bike Cycling Loud Horn Please kindly Note: Items will be repackaged to save your shipping charge & to be environmentally friendly. We guaranty the item will be protected well in buble bags, No retail box!