Air Raid Alarm 439 Air Raid Sirens Images, Stock Photos & Vectors Shutterstock CLM Rotating Air Raid Siren Alert & Attack Test. YouTube Digitally enhanced image of an Air raid siren in the centre of Tel Aviv Air raid siren hi res stock photography and images Alamy. Introducing the Air Raid Alarm, your go to manual siren for safety and emergency preparedness. Ideal for emergencies, sports events, and outdoor activities, this powerful alarm ensures that you are always heard. With a remarkable sound output of 110 decibels, it can be heard from distances up to 1000 meters, making it the perfect tool to capture attention and communicate in critical situations. Constructed from premium aluminum alloy, the Air Raid Alarm is designed for durability while remaining lightweight for easy handling. Its universally recognized frequency of 550 Hz ensures clear alerts, providing reliable communication when it matters most. The intuitive design makes this alarm user friendly; it operates without the need for batteries. Simply pull the lever to activate the siren, making it accessible in various situations. The foldable handle and cranking lever enhance its portability, allowing you to easily stow it in your backpack for hiking, camping, or other outdoor excursions. Plus, with adjustable volume control, you can tailor the sound output to your environment, ensuring you have the right level of alert for any situation. Check out the sleek design of the Air Raid Alarm in the images below: Key features of the Air Raid Alarm include: Powerful sound output of 110 decibels for maximum attention grabbing ability. Compact and lightweight design for easy portability and storage. Dont miss out on this essential safety tool. The Air Raid Alarm is your companion for all adventurous outings, ensuring you are always prepared when it counts!