Scientific training methods: a clear sound is emitted after simply pressing the button. Large button for easy clicking and loud sound. This is a brand new, happy way of communicating with pets based on scientific data. It can be used to train basic dog obedience and correct bad behavior. Many call it \"the happy training method\". Ideal for safe pet training. Simple and safe: unlike expensive electric shock products for dogs, our products contain no electricity, so neither the dog nor the owner will receive electric shocks. The teardrop shape fits very comfortably in the hand, the sound is stable and the button is easy to identify. The stainless steel ring does not deform under pressure 10,000 times, is durable and does not rust. Convenient design: The ABS plastic material and the stainless steel ring do not rust and are durable; the matte surface and the non-slip handle provide an easy grip. Sizes: 6 x 4 x 2, ergonomically shaped, teardrop shape, suitable for all hand sizes and easy to control. Thanks to the elastic wristband, you can take it with you everywhere; you don't have to worry about losing it. Advantages of the collection: 3 different colors of the packaging (black + blue + white) with a free storage bag (10 x 16 cm) for easy transport and storage. You can store it in the car, bag or purse for easy access when you need to train your pets. Versatile use: the clicker can be used not only to train dogs but also cats, birds, chickens, sheep and even mice. It is your important training device for sensitive pets. You will have a happy and reliable communication tool with your pet.