Meloive is committed to investing in the development of high quality dog training. We are constantly studying and optimizing our products. We strive to create an effective line of training collars and pet supplies. By combining our kChristmasledge of pet psychology with the latest techChristmasogical advances, we strengthen the bond between you and your pet. The collar is only a tool that should be used in conjunction with proper training of your pet. It will have different effects on each dog depending on several factors. This collar helps make training your dog effective and safe. You will be able to see beneficial effects if you use it correctly. Pets are essential members of the family and we have a responsibility to protect and train them. Our training collar will help you better protect your dog from outside dangers. Package Content: 1 x Receiver 1 x Remote Control 1 x 2 in 1 Charger 1 x Adjustable TPU Collar 1 x User Manual Product Features: Resistant to water IPX67; Range up