Hand Crank Siren Horn Manual Alarm 120dB Loud Portable Adjustable Volume Emergency Safety Siren with Aluminum Alloy Construction for Factory Home School Disaster Relief

[Adjustable Volume Control] The volume of this siren horn can be customized by adjusting the speed of the handle rotation. cranking produces louder sounds, and pressing the Actuator releases an even more intense noise. this flexibility allows you to tailor the alert level to different situations, from mild warnings to urgent alarms.
[Powerful & Portable] This hand crank siren horn is manually operated, eliminating the need for electrical power. its lightweight and compact design ensures easy portability, making it ideal for emergencies in remote areas or places without electricity. the robust construction guarantees durability while maintaining ease of use.
[Extreme Audibility] With a staggering 120 decibels of sound output and a range of up to 1.24 miles, this siren delivers clear and penetrating alerts. its high-frequency sound ensures optimal performance in large areas, making it for emergency scenarios where immediate attention is required.
[Sturdy & Weatherproof] Crafted from aluminium alloy with a protective paint coating, this siren is built to withstand harsh conditions. its rain-proof design ensures reliable performance in various environments, from heavy rain to extreme temperatures, making it a long-lasting safety tool.
[Versatile Mounting Options] This siren can be easily mounted on a rail bracket (sold separately) for stable use or inverted for compact storage. its wide applicability spans factories, schools, homes, oil depots, and disaster relief operations, serving as an essential tool to minimize risks and protect lives and property.