NO SHOCK & HUMANE - We know you love your best friend but their barking is an issue. So our no bark collar is a great way of training using only beeps and vibration, and it's safe to wear inside and out complying to the highest safety standards. 7 LEVELS OF INTENSITY TO STOP BARKING - Train your pet's behavior quickly and safely, reducingon nuisance barking. Uses beeps and vibration, gentle static with 7 levels of intensity. Our collar only goes off when your pet barks! UNIVERSAL SIZE - It is adjustable for your dog's neck. Suitable for all breeds and sizes, this Anti Bark Collar can be worn indoors and outdoors for training consistency. ALL WEATHER - Our collar is impevious to rain, snow. Dual-retention plastic buckle requires 2 points of pressure to unlock, ensuring that the collar remains on your dog. 30 DAY MONEY BACK GUARANTEE - If our no-barking collar doesn't restore peace to your home, return it for a 100% refund of your purchase price.