Personal alarm is the perfect gift for your family members, your girlfriend, friends working night shifts or traveling alone. Safety alarm features: 1. The 140 dB volume will immediately grab everyone's attention, even from a distance. 2. Ideal for elderly parents, women, children, joggers or anyone who walks alone. 3. The alarm helps you escape a dangerous situation, scare off attackers when you're outdoors. Features: Alarm volume: ~140 dB Material: ABS + metal Voltage: 4.5 - 6 V Current: 100 mA Battery: LR44 (5 pcs) Alarm duration: 90 minutes Light intensity: 80 lumens Size: ~2.76 x 1.77 x 0.98 inches Color: purple, blue, silver, gold, black Quantity: 5 pcs safety alarms Suitable for: people of all ages Notes: 1. When the alarm sound becomes low, remove the screws on the back and replace the batteries. 2. The alarm sound is very loud; do not use it through earphones. 3. This product is not fully waterproof; store it in a clean and dry place. Package includes: 5 x personal alarm 5 x instruction manual