Looking for a way to stay safe when walking along the street all by yourself? Then this Helix PS2070 security alarm is a great solution. Featuring 100 dB output to deter attackers or call for help, this highly reliable alarm will give you a little peace of mind the next time you need to get somewhere on your own.The Helix PS2070 security alarm also features a handy torch that can light your way up when walking in the dark. Thanks to its compact size, this device can be easily carried even in your purse so you always feel protected wherever you go. The Helix PS2070 functions with three 1.5 V batteries, included in the delivery.