Dog Anti Bark Collar, Small, Medium & Large Dogs, 7 Adjustable Levels with sound and vibration, No Shock, Harmless & Humane, Stops Dogs Barking, Additional Spare Battery Input: 110-220V Output: 19.5V 4.62A 90W Warranty: 1 Year Super Power Supply products are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply Features a USB Port for Charging USB powered devices.