Hand Crank Siren, Adjustable Volume, Waterproof, Aluminum Alloy, Manual Operated Sound Alarm, Emergency, Widely Used (Red)

Description

• EASY TO OPERATEThe hand crank siren is incredibly simple to operate and requires no technical knowledge. With just a quick rotation of the handle, a high-frequency acoustic vibration is generated resulting in a powerful alarm sound. The sound's range is impressively broad and penetrating, making it effective over great distances. This user-friendly design ensures that anyone, in any situation, can generate a strong warning with minimal effort.
• ADJUSTABLE VOLUMEAnother significant selling point of this hand-crank alarm is its adjustable volume feature. Users can control the volume of the alarm by varying the speed at which they turn the handle - the the rotation, the louder the sound. By pressing the , the blades open, and the alarm increases in volume. This feature allows adjustment to suit different scenarios, ensuring everyone hears the alarm when in dire need of attention.
• RELIABLE CONSTRUCTIONBuilt with a focus on durability and reliability, the hand crank sound alarm features an aluminum alloy structure, painted with rustproof paint. This sturdy and wearable construction is , ensuring the alarm can withstand various weather conditions without compromising its function. Its qualities offer a long service life, providing a dependable tool that will stand the test of time and deliver in emergency situations.
• NO ELECTRICITY NEEDEDRequiring no power source or installation, this hand crank siren thrives on manual alone. Its portability makes it a highly valuable tool in any situation, regardless of location or available facilities. Its capability to deliver potent alarms where power sources are unavailable makes it ideal for emergency alarms at unpredictable times, quickly drawing attention to any situation requiring urgent intervention.
• WIDELY APPLICATIONThe hand crank alarm, owing to its various features and robust construction, is useful in a plethora of scenarios. It can be used while signaling for help during sudden fires or attacks, for making emergency alerts, and even as a strategic tool for self to deter potential attackers. It effectively helps gain attention and acts as a reliable support system in any crucial situation. Its adaptability makes it a must-have mate for personal and professional safety.

Spec:

Item Type: Hand Crank Siren
Material: Aluminum Alloy
Hole Spacing: Approx. 110 x 28mm / 4.3 x 1.1in
Product Size: Height 328 x 195mm / 12.9 x 7.7in
Gross Weight: Approx. 4266g / 9.4lb
Communicate Mode: Sound
Alarm Type: On Site Alarm
Volume: 125dB(A) at 1m
Sound Frequency: 60020Hz (Depends on the rotation speed)
Effective Range: Diameter 2000m/6562ft
Application: Widely used in factories, homes, schools, oil depots, warehouses, flood control, disaster relief, public and industrial places, to sound alarms timely in emergency situations and reduce casualties and property loss.

Package List:
1 x
Hand Crank Siren1 x Handle

How To Use:
Simply crank the device by hand to activate the alarm and emit sound.

Note:
Manual measurement, please allow some errors.

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