BXT Bike Bicycle Motorcycle Headlight Bell Horn and Light Multifunctional Flashlight Trumpet Horn Alarm for Cycling Walking Horn Bike LED Headlight & Bell Material: ABS durable hard plastic Sound intensity: 80db. Brightness: 20 lumens. Powered by: 3*AAA batteries(Not include). With the included mounting bracket, it can be installed in any bike Ultra loud with 4 sounds and ultra bright LED light provide best safety and visibility, best choice for you to ride in night Loud Siren to draw people's attention on street.