PetTech PT0Z1 Premium Dog Training Shock Collar, Fully Waterproof, 1200ft Range THE ULTIMATE DOG TRAINING COLLAR - Immensely Popular, Fully Waterproof E-Collar used by Expert Trainers and First Time Pet Owners. Can be used to help correct Barking, Walking, Leash Training, Sitting, Aggression, and other Behavioral Obedience HUGE LCD REMOTE WITH ADJUSTABLE SHOCK AND 4 MODES - 1-100 Level of Customization for both the Static Stimulation and Vibration. You can also use a Tone (Beep) Mode which will give an Audible Warning. LCD has a Blue Backlit Design for Both Day and Night. Shock setting only recommended in emergency situations and is not advised as a form of positive behavioral training LONG-LASTING BATTERY LIFE - Rapid Charging Lithium Ion Battery Provides a long lasting Battery Life. Auto Power Protect Mode Helps Conserve Battery Life When Not In Use.