The Keepaway is the perfect safety device for anyone to keep on hand! This personal alarm is small and portable, making it easy to store in your pocket, purse, on your keys or in your bag. If you believe you are in a dangerous situation, activate Keepaway's LOUD 130dB siren and flashing strobe-light simply by removing the top pin. This creates a diversion and helps deter an attack. To deactivate the alarm, just put the ring back in place. This device is rechargeable (Type C) and will last for 70 continuous minutes. The light duration is 240 minutes and the strobe duration is 300 minutes. Take this with you when running errands, walking your dog, hiking, across campus, to your car, in the parking lot, on public transportation or when traveling. It's a Keeper! Alarm frequency: 2.9 - 5KHz Low battery prompt: 3.3V Material: ABS Charge time: 1 hr Certificate: CE, FCC, ROHS, CA65