Only provided a USB type plug cable but no supply adapter, note this before ordering, need to purchase an adapter separately by yourself, like cell phone charger.

heated water bowl only used indoor kennel, crate, wire cage, barn, coop, great for person that only needs small size bowl for doggies, cats, rabbits, chickens, birds, and small animals. Deep 2.75 inch, width 4.72 inch, hold 20 oz water, also can heated dry food, 10W power output, energy saving.