110dB Aluminum Hand Crank Air Raid Emergency Siren Alarm
This hand operated lightweight siren produces a loud adjustable sound of 110dB ideal for getting people attention on camps, schools, while cheering your favorite team in sport events or any place that you want to produce an effective warning sound and electricity is not available. The handle and lever folds for easy carrying in the included waist pack.
Technical Specifications
- Material: Aluminum alloy
- Operation: Manual hand lever operated
- Color: Green
- Sound output: 110±2(dB)
- Audio frequency: 550±20(HZ)
- Transmission distance: 1000(Φm)
- Dimensions
- Length: 115mm/4.5"
- Width: 202mm/8"
- Height: 9.1"
Features and Benefits
● Handle and Cranking Lever Folds.
● No Power Supply Required.
● Compact for Portability.
● Powerful Universally Recognized Sound.
● Manual Hand Crank Operated Air Raid Siren.
● Produces a loud adjustable sound of 110 decibels.
● Made out of durable aluminum alloy.
● Ideal for getting peoples attention, or rooting for your favorite team in sporting events, and many more applications.
● By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound, the sound depends on the rotation speed of the handle.
Notice:
- Please allow 1-3mm error due to manual measurement.
- The color may be slightly different than what is displayed on your monitor.
Package Includes:
- 1 x Air Raid Alarm
