Manual Operation: Requires no power supply, making it for emergencies and outdoor activities.
Adjustable Volume: Customize the loudness by cranking , ensuring you can be heard from up to 1.24 miles.
Design: Made from rugged aluminum alloy to withstand harsh weather conditions and frequent use.
Versatile Use: Ideal for construction sites, flood control, school events, and natural disaster alerts.
Easy Installation: Quickly mount on a bracket or store it conveniently when not in use.
Item Type: Hand Crank Siren Horn
Effective Range: Diameter Approx. 2000m / 6561.68ft
Sound Level: 120±2dB
Sound Frequency: 600±20Hz (Depending on crank speed)
Rated Speed: 2000 r/min
Main Material: Aluminum Alloy
Crank Direction: Clockwise
Application: Engineering, School, Flood Control, Nature Disasters and Other Emergency Situations
1 x Hand Crank Siren Horn
1 Pack x Accessories