Features Good Performance: The siren speaker has 130db high volume, 60W high power, clear sound, and stable frequency, with strong practicality. Durable Material: The siren horn uses ABS plastic shell and iron bracket, for a sturdy structure and good flame retardancy, suitable for harsh environments. 2 Alarm Sounds: Supports alarm sound and fire sound, can be used together with various alarm connections, suitable for supermarket and construction site. Applicable Device: This alarm horn is widely used in alarm hosts, gas leakage alarms, infrared peripheral alarm devices, etc., which is safe and durable. High Efficiency: When someone illegally enters, the horn will sound an alarm to let you know the location of the accident and handle it as soon as possible. Feature: 1. Flexible Installation: The speaker can be installed on wall, doorway, or balcony, with a height of 2.5 meters or more, fixed with screws, flexible and convenient. Specification: Item Type: Alarm Horn Alarm Loudness: 130DB Alarm Sound: Alarm Sound, Fire Sound Package List: 1 x Alarm Horn  Package List 1 x Alarm Horn