Features: brand new and high quality Pet dog training clicker and whistle combo in 8 colors to choose from. Can be used to train the dog basic obedience, small trick, and correct the bad behavior; Scientific methods of training your pet safely and easily.The clicker with whistle is very loud, you can use it outdoor. Stop barking and dog obdeience. Train your dog quickly just by simply pressing the clicker and command. Well constructed and durable, will not rust. Big button for easy clicking and loud sound. Easy to use in any position. Size: About 7.5x3.5x2cm/2.95"x1.38"x0.79". Specifications: Material: PC Color: Orange/Pink/Black/Red/Green/Light Blue/Light Green/Sky-Blue Size (Approx.): 7.5x3.5x2cm/2.95x1.38x0.79in Weight: Approx.16g Package Includes: 1 Piece Pet Training Clicker and Whistle (Orange/Pink/Black/Red/Green/Light Blue/Light Green/Sky-Blue) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Thank you!