Hand Crank Siren Hand Crank Siren Horn - 120db Loud Adjustable Volume Emergency Safety Manual for Home, School, and Factory Use

Hand Crank Siren Impressively Loud Alarm Sound: Producing an astounding 120 decibels, the portable loud manual siren achieves clear and penetrating sound over a transfer range of up to 1.24 miles. This exceptional volume ensures optimal alerting effectiveness in urgent scenarios, capable of notifying large areas.

Hand Crank Siren No Power Operating: The Hand Crank Siren Horn is manually operated and requires no electrical power. This portable design allows for effective alerts even in locations without power supply, making it an ideal solution for emergencies and unexpected situations.

Hand Crank Siren Adjustable Volume Control: The loud siren horn features adjustable volume control, allowing users to customize the sound intensity based on the handle rotation speed. Rapidly turning the handle produces louder sounds, and pressing the Actuator opens the blades for an even greater noise output, catering to varying alert requirements.

Specifications: 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 Voltage Parameter How to Use Directly install and use. Package List 1 x Hand Crank Siren Horn 1 Pack x Accessories
LUCKDANO Hand Crank Siren Hand Crank Siren Horn - 120db Loud Adjustable Volume Emergency Safety Manual for Home, School, and Factory Use