Never worry about walking down the street alone again with our personal keychain alarm. This protective accessory is equipped with an ULTRA LOUD ALARM SIREN to alert those around you in the event of an emergency and scare away the threat. This will be ideal for reassuring the most vulnerable people a little. Other portable alarms available on the market produce a sound that barely reaches 150dB. Ours produces a SOUND OF 150 dB, which is 15% more than other alarms. This is equivalent to the sound of fireworks so you can BE HEARD ALMOST 100 METERS. This alarm will be ideal for scaring away any potential aggressor, especially since a 150dB sound HURT YOUR EARS. Our protection alarm is easy to use, even in the most delicate situations. All you have to do is pull the pin to trigger the siren. Once the danger has passed, simply put the pin back in the alarm. The latter is connected to a cord so that it is EASY TO FIND TRIGGER when needed. In some cities, the streetlights may be turned off late at night to save electricity . Our alarm has a POWERFUL BUILT-IN LED so you can LIGHT YOUR WAY IN THE DARK. It will be ideal for illuminating dark streets, stairs and keyholes when you come home. Other portable alarms available on the market may not be very practical. Ours is LIGHTWEIGHT AND COMPACT so you can take it with you anywhere. It even comes with a keychain to attach it TO YOUR BAG, PURSE OR KEYS so you can always have it on hand just in case. Note: data is Manual measurements, please allow 1-150cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.