Security alarm with LED light, gray color with strap. - Color: Gray - Features: LED light - Accessories: Strap, instruction manual Thank you for looking. Pressing the button on the left in the first photo turns the LED light on and off. Pulling the button with the thick string will sound the security alarm loudly. The strap is long, so it can be used by a wide range of people, from adults to children. It is powered by 2 AAA batteries. In recent times when groping and snatch-and-grab thefts are rampant, why not use this alarm and light to repel attackers when you can't immediately shout for help? Just carrying it around provides a different sense of security. Immediate purchase is welcome. Comments are also accepted.