Safe & Humane: Our dog training collars use effective results-based training methods. Choose between vibration, sound, shock and a highly responsive automatic mode to safely stop barking and bad behavior.Automatic control method: Place the collar on the dog’s neck, when the dog barks, the collar detects the frequency and uses the sound vibration mode to correct the dog.Adjustable Strap: The strap is made of durable nylon. The collar has a reflective strip that makes it easy to find your dog in the dark. This adjustable collar is suitable for small, medium and large dogs over 4 kg.Rechargeable and waterproof: it takes 1 hour to fully charge the product at one time, and the battery life of the product is 14 days.When charging, the digital tube displays 0 flashes, and after the triggering of the continuous output of electric shocks. continuously for 7 times, it will stop for 1 minute to prevent prolonged electric shocks from causing harm to dogs. The fully charged nixie tube shows 0 and
