This is a new, unused item, but as shown in the photos, there is some discoloration. Please refrain from purchasing if you are sensitive to this or if you are looking for a perfect product. We will ship within 24 hours of purchase. Please understand the above and consider purchasing! * We also have different colors of this product for sale, so please consider those as well! [Product Description] Clean and safe with antibacterial processing! Antibacterial materials are used for the main body and pull ring to suppress the activity of bacteria. Loud 85db. Recommended product by the Crime Prevention Association (No. 17H203※) Power supply: Coin-type lithium-ion battery (CR2032 or equivalent) [Specifications] Size: Approximately W35 x D24 x H45mm With battery check button With school bag compatible belt With name tag sheet Water resistant IPX3 Recommended product by the National Crime Prevention Association Federation Includes 1 test lithium battery Blue