Strong warning: A piercing siren of 140 dB is sufficient to attract attention and unsettle the attacker. The ringtones can last 30-40 minutes and gradually won't hurt your ears. LED Flashlight: With mini bright white LED flashlight, low-light emergency lighting lasts at least 30 minutes, it's your good helper when you are alone in darkness. Easy to activate: remove the stylus to activate the alarm and put it back to stop it. Three alarms in total, give each member of your family a sense of security. Lightweight and Portable: With double buckle design, it can be attached to backpack, school bag, belt loops, suitcase or key chain, etc. The pull ring will not fall off. Suitable for all ages: perfect emergency self-protection for students, women, night joggers and night workers. Also for travelling, hiking, camping and walking. Also a gift for girlfriends. Notes: If the alarm toner becomes silent, please replace the new batteries in the back cover. This item is not waterproof, please do not touch water. Please cover your ears to avoid damaging your eardrum during the sound test. Please protect your eyes from sudden lights when testing the LED lights. 140dB Pocket Alarm Your smart and fantastic gifts! Comes with a beautifully wrapped gift box, makes a great gift for women and children. Three pocket alarms in total, give each of your family members a sense of security.