Check the listing for details. 4 Pack 120db Emergency Personal Loud Panic Alarm Keychain Self Defense Device. Color: A- Black, Condition: New. Listed at 19.99 USD. 4 Pack Self Defense Keychain Personal Alarm Siren Song Survival Whistle BagSpecifications: • Vol: 120 db Sound• Battery: 110 ma, 6v. • Color: Black with white flora design• Alarm function: Pull out the pin. It will alarm and the sound will be louder and louder. • The alarm sound will last 40-60 minutes. • Insert pin back in to stop sound and use again. The pin won't come out very easily the alarm sound is loud enough to draw attention for assistance, difficult to ignore. • Broad consumer appeal: A self-defense option for any age. Ideal for children, self-defense, the old, joggers, night owls, lone workers. • Keychain attaches to ladies bag, schoolbag, backpack, belt loops, suitcases, keys, dog leash etc. • For convenient, instant access plus greater value with batteries included. • Make you safe when camping, jogging, running, riding, entertaining, etc. • Package includes: 4 x black personal alarm 4x user manual in retail white box Note: 1. When the alarm sound goes low, please remove screws from back cover and replace new batteries. 2. This item is not completely waterproof, please not put it in the water and make it in a dry condition as possible. 120 db. loud sound. The alarm sounds great, people can draw attention even in a far distance. Good for adventurer who is in dangerous situation. Multi-functions and environmental design. Black color and special painting style make this alarm more unique and fashionable while providing self defense protection. It's also a security necessary supply for traveling, hiking, camping and walking the dogs. The design and function is ideal for all ages. Can be attached on ladies bag, schoolbag, backpack, belt loops, suitcases, keys, dog leash and it can be brought on board a plane, very convenient. See pictures for details. If you have any questions don't hesitate to ask. Our team will get back to you shortly. Thank you