Features: * Name of item: 2 in 1 pet trainer-Clicker & Whistle * New item with high quality * A clicker and a whistle combination * Easy training your dog tricks and commands * Ergonomic design fits comfortably in your hand * Easily attaches to lanyard or keychain * Delevery goods at random color * Weight:0.017kg/0.6ounce * Dimension: 7.3x3.2x2.1inch/2.87x1.26x0.83inch Packagea included: 1* Pet trianer-Clicker & Whistle 1* User guider