Dog Bark Collar Rechargeable Anti-Barking Training Collar Reflective Dog Collar Sensitivity button Adjustable grades 1-7 is suitable for huge to mini breeds. Press the “S” button for 3 seconds and the collar will flash all the time. Press the “S” button for 3 seconds again and it will turn off. It’s convenient to walk the dog at night. Auto-Protection Mode If the collar keeps activating for 7 times in one minute it will enter auto-protection mode and the display will flash "E". One minute later the product will re-enter work mode. When in automatic protection mode pressing any button will make the product re-enter work mode Chargeable collar Gently press the power button so you can know how much the power is left. 1 hour of charge time gives you 14-20 days of use. When charging the product the digital display will display the power and continue to flash. When the product is fully charged the digital display will display "7". Rechargeable Battery (280mAh) Adapter is not include Adapter Current is less than 1A Using method * Once you receive the collar please test it first. (testing shown as below) * After testing please configure a suitable mode for your dogs and follow the instructions that pertains to your actual situation! (instructed picture as below) * We suggest not using the shock model at first and choosing the beep and vibration mode to let your dog adapt to it. If these are not valid you can use the shock mode but please set grade 1 in the beginning and then increase gradually according your needs. Friendly Reminder * Keep one finger distance between the neck and the collar to avoid being triggered by the shaking/moving/running etc. * Do not wear longer than 12 hours per day. If it is possible reposition the collar every 1 to 2 hours . * Take the barking collar off before swimming. It is rainproof not waterproof. * Please don't attach anything else on the collar (e.g. a dog leash). * Clean the contacted area between the collar and the neck...