Ortz Waterproof Rechargeable Bark Collar for Small, Medium & Large Dogs - Black FULLY WATERPROOF - meet the market-leading fully waterproof and rechargeable no-bark dog training collar. Banks on the Ortz brand reputation for quality. Works ideally well for all your dog training needs. LONG-LASTING BATTERY - NOW features a longer-lasting, rechargeable lithium ion battery with in-built power saving. Serves you longer with less frequent visits to the power outlet.  TOP ORTZ SAFETY - ride's on the Ortz revolutionary safety for appliances. Already trusted by thousands of customers, comes with an auto-protect mode that prevents correction thus keeping your pet(s) safe. 1 YEAR WARRANTY - enjoy an exclusive, 1 year limited warranty. Get a top quality product and try it risk-free. Also comes with an easy to follow English- language manual. Plug and play dog training color. EASY-TO-CONTROL - optimized to work easy and hassle free for you. Features a separate intensity and sensitivity adjustment dial with 6 correction levels. Get a dog training color that's build for your convenience! Tighten the Bark Control Collar and/or trim your dogs hair where the Contact Points touch his neck to ensure good skin contact. Charge the battery. Ensure that the unit is turned on, Fully charge the battery.