110dB Aluminum Alloy Hand Crank Siren, Loud Alarm, Air Raid, Tornado, Siren, Horns, Emergency Alarm, Red

General Description

The aluminum alloy hand-crank siren is a powerful and portable alarm device designed to attract attention in emergencies. Thanks to its robust construction and manual operation, it is ideal for situations where electricity is unavailable. With a volume of up to 110 dB, it offers a high-frequency alarm that can be adjusted according to the crank's rotation speed.

Technical Specifications

• Item Type: Crank Alarm
• Material: Aluminum Alloy
• Weight: Approx. 1833 g / 64.66 oz
• Size: Approx. 205 x 198 x 115 mm / 8.07 x 7.80 x 4.53 in
• Mounting Hole Spacing: Approx. 60 x 60 mm / 2.36 x 2.36 in
• Sound Pressure Level: 110 ± 2 dB(A) at 1 m
• Sound Frequency: 550 ± 20 Hz (depends on the speed of crank)
• Effective range: 1000 m / 3280 ft diameter

Use

This siren is ideal for use in various emergency situations, such as:

• Sudden fires
• Attacks
• Various emergencies
• It can also serve as a self-defense tool, providing an effective alarm without requiring a power source.

Other information

• Package list: 1 x crank siren