TINDERALA Dog Training Collar, Dog Shock Collar with 7 Sensitivity Levels, Automatically Stop Adjustable Anti Bark Collars, Vibrating & Safety E-Collar with Beep for Dogs and Cats HIGH QUALITY BARK COLLAR - The anti bark collar is for 15-120 Lbs dogs. Successfully train your puppy and protect your it without harming or causing any pain. You may rest assured these humane no bark collars are very safe for your lovely friends! You can use on a daily basis. To save battery life take battery out of collar when the collar do not in use. 7 SENSITIVITY LEVELS - The bark collar have two modes :Beep sound and static shock with 7 levels. The stimulations repeat through 7 correction levels, the intensity gradually increases until the dog stops for thirty seconds. If the continuous stimulus reaches the 7 levels, then the Collar will stop working for 1 minutes to protect the dog. CONFORMS TO YOUR NEEDS - The stop bark collar adjustable leather leash from 6'' to 30'' to suit for different dogs: small, medium and large (not for huge). Easily customize the correct bark sound level for your dog with 7 different bark sensitivity levels. Simply press the "+" or "-" on the collar for adjustment. VERY SIMPLE TO TEST - Easy air blowing method to test the no bark collar ,high-quality electronic anti bark dog collar and sends harmless warning sound and shock to the dog whenever it barks. WHAT PACKAGE ARE INCLUDED? - The TINDERALA Bark Collar includes : 1. 1 x No Bark Receiver 2. 1 x Adjustable Nylon Collar 3. 1 x Test Light 4. 2 x Long Shock Electrodes 5. 2 x Short Shock Electrodes 6. 1 x Battery ( 6 Volt ) 7. 1 x Manual