【Adjustable Intensities & Adjustable Collar for Any Size Dog】 Stimulation levels are optional and you can choose the mode and its level based on the dog’s temperament (progressive stimulation of the smallest level). With belt adjustable from 15 to 70cm and possible to be cut to suit any size, this electric dog collar is suitable for most breeds (small, medium and large dogs). Reflective nylon collar helps you locate your dog in the dark. 【Double Protection for Gentle Training】 The safety keypad lock prevents mishandling by avoiding accidental electric shock. 4 silicone sleeves to protect the dog’s skin against direct contact with metal connectors. Dog training collar with secure tension without hurting him, does not attack him. Dog training collar is easy to use with 3 independent buttons for each mode and the dog understands very quickly. 【Range 800M and Waterproof IP67】 This training collar with remote control works up to 800M without obstacle, ideal for training the dog over long