??LOUDEST?? The SUPER?130DB Loud of siren alarm can be heard up to nearly 310 ft away.
??BUILT-IN LED LIGHT?? First,Activated by pushing a button and used for illuminating a dark area, Led flashlight for illuminating dark walkway or finding keyholes. Second,Repeatedly hit the flashing signal for help or SOS
??PERFECT GIFT?? Great for college security,ladies when walking alone, students, jogger, elderly, kids, women, night workers,night shift workers ,and self defense. It's also a security necessary supply for traveling, hiking, camping.
??INCLUDED BATTERIES?? It runs on three AG13 batteries(inlcuded).Also, there is the option for battery replacement, just remove screws from back cover by using a small srewdriver and replace new batteries.
??EASY TO USE?? Just pull Black needle on the gray band from the pin attached to the chain out. Once pull, the sound is very loud, but not to the point of being painful for the user.