Features:

• Hand operated siren

Details:

Security Alarms Are batteries needed to power the product or is this product a battery: No Is this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal?: Electronic Accessories Sound pressure level: 120±2dB Sound frequency: 600±20Hz (depending on hand speed) Weight: 8KG Material: aluminium alloy Effective range: 2000M Features: no power support, compact structure, foldable, light weight, easy to carry, adjustable sound and different signals, low frequency, wide application range Scope of use: for water conservancy flood control, reservoirs, troops, fire, prisons, mines, gas stations, ships, airports, plains, pastures, forest farms, factories, schools, hotels, hotels, open-air military camps, etc.