ITEM NAME:Bike Aluminum Alloy Mini Horn Bicycle Handlebar Alarm Ring Bell (Black) Product Description Description: MTB Mountain Bike Aluminum Alloy Mini Horn Bicycle Handlebar Sound Alarm Ring Bell Riding Cycling Equipment Feature: 1. Good quality: Made with premium plastic and aluminum alloy for long lasting durability. 2. Lightweight, compact, safe and durable design, easy to install and operate. 3. Size: about 34 x 25mm / 1.34" x 0.98". 4. Practicality: Remind others to approach you with a loud, crisp clear horn. Specification: Material: Aluminum alloy + plastic Color: Black, Blue, Purple, Red, Yellow, Green, Silver Size: about 34x25mm/1.34x0.98in Weight: about 25g Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X Bicycle Horn.Included: 1 X Bicycle Horn. Practicality: Remind others to approach you with a loud, crisp clear horn. Good quality: Made with premium plastic and aluminum alloy for long lasting durability. Material: Aluminum alloy + plastic.