Description This anti-Lost is made of premium material, which can withstand long-lasting use. Features the plastic and metal material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black -Material:Plastic and metal -Size:3.80X3.80X0.40cm/1.49X1.49X0.16in - Battery: (Not Included) - effective distance:15m -Version: 5.0 - Pet is manufactured with professional technology to ensure the high-grade of the product and can work for a long time. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience. - One key to your thing, it will let out sound to notify you, easy to your items. - Small size and lightweight, suitable for key, purse, phone, suitcase, and etc. - Suitable for key, wallet, bag and umbrella and much more. A wonderful gift to friends to show your love to them. Pet Tracker is manufactured with professional technology to ensure the high-grade of the product and can work for a long time. Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience. One key to find your thing, it will let out sound to notify you, easy to find your items. Small size and lightweight, suitable for key, purse, phone, suitcase, and etc. Suitable for key, wallet, bag and umbrella and much more. A wonderful gift to friends to show your love to them.