ObeDog Ergo-X Rechargeable and Full Waterproof No Bark & Dog Training Collar with seperate Intensity and Sensitivity Adjustments and Auto-Protection Mode for All Dogs Separate Intensity & Sensitivity Adjustment Dial with 6 Correction Levels. Auto Protect Mode to prevent over correction keeping your pets safe. Rechargeable and Power Saving with built-in Lithium ion batteries 1 Year Limited Warranty / Operation Manual in English. Fully Waterproof Unit up to 20 feet in depth Avoid leaving the ObeDog Ergo - X No Bark Collar on your dog for more than 12 hours per day.  If possible reposition the receiver collar on your dogs neck every one to two hours.  Check the fitment of the ObeDog Ergo - X No Bark Collar to prevent excessive pressure on your dog When using a separate collar, do not cover and put pressure on the ObeDog Ergo - X Collar. Wash your dogs neck area and the contacts of the receiver unit weekly with a damp cloth