Features: Premium Material: Made of premium material, comfortable for dogs to wear, without any pain. Three Training Modes: Our dog anti-bark collar has three effective training modes and different levels of sensitivity. which can provide different levels of training according to the size and breed of the pet. Smart Sensors: Our anti-bark collar is equipped with smart sensors and chips, which can accurately identify your dog’s bark, making activation more convenient. Efficient.Rechargeable Collar: Our dog bark collar is rechargeable and can be used long after a full charge. IP67 Waterproof: IP67 waterproof design for indoor and outdoor use in all weather conditions. Features: Color : White operation t: 3.7V Power consumption: Standby current 20uA, Standby current 300uA Capacity of Battery: 300mAH Rated Input: DC5V/1A D Rating Waterproof: IP67 Operating Temperature: -10C°~+50C° Storage Temperature: -20C° ~+60C° Package weight: 67g Package size: 743.7 List Package a: 1 * Dog Anti-Bark