This Emergency Backpack Alarm is convenient to carry with carabineer. By pulling the metal ring to activate the alarm and the emergency red LED flashes simultaneously.
 
Side-switch with 2 selectable alert light pattern which can act as emergency flashing light to seek for emergency assistance or a fading on/off dual colored (red & blue) LED to alert your companion; help to draw attention at your location.  

•  Backpack emergency personal alarm.
• Simple operation just pull out the pin to trigger an alarm and flashing light
• Rugged and weather-proof housing
• Ideal for outdoor activities such as camping, hiking, travelling in dark, for elderly or kids. 
• With carbineer which can clip to backpack, purse or clothing
• ‘One-pull’ ring: activate or deactivate.
• Micro-switch for selecting LED light.
• Light: emergency red LED flash, fading red/orange LED (on/off).
• LED visible from 1 km away.
• High-pitch, loud alarm, with min. 100dB.
• Effectively draws attention in the neighborhood.