Come and see our amazing products. The small size and light weight easy to carry. It can be clipped to your handbag, backpack or use as a keyRing to your wallet's zipper, cellphone's strap. Perfect for students, joggers, elderly, disabled, night shift workers, people who live alone. When you feel you are in danger, just pull the metal pin and it will emit a large sound that will deter your attacker. The sound will also give warning to others around you that you are in danger . Pls confirm with us about the packing info, stock color and exact production time before placing your order.