110dB Hand Crank Air Raid Emergency Alarm – Green Aluminum Alloy

🚨📢🏕️ 110dB Hand Crank Air Raid Emergency Alarm – Green Aluminum Alloy

📈🛡️ Get instant attention anywhere with this powerful hand-operated Air Raid Emergency Safety Alarm. No batteries or electricity needed — just crank the lever to produce a loud, adjustable 110dB siren perfect for camps, schools, sports events, or emergency warnings.

⚡🔊✨ Key Features
Manual hand crank operation. Durable aluminium alloy construction. Folds for easy carrying in the included waist pack. Compact and portable. Universally recognized loud sound. Transmission distance up to 1000m. No power supply required.

🎯🏕️🏫⚽🚨 Perfect For
Camping, schools, sporting events, outdoor gatherings, emergency alerts, self-protection, and any situation where electricity is unavailable.

📦 Product Details
🧵 Material: Aluminium alloy
🟢 Color: Green
🔊 Sound output: 110±2 dB
🎵 Audio frequency: 550±20 Hz
📡 Transmission distance: 1000 m
📏 Dimensions: Length 115mm/4.5" × Width 202mm/8" × Height 9.1"
⚙️ Operation: Manual hand lever operated
📦 Package Included: 1 × Air Raid Alarm

🚀🛡️✨ Stay prepared without batteries — this foldable hand-crank air raid alarm delivers a powerful warning sound whenever you need it.