Commander Essential Vibrating Hot Plug from Nasstoys of New York. Heats up to 42 degrees Celsius or 107 degrees Fahrenheit. Power button located on the bottom of the hot plug. 3 functions. Waterproof vibrations. Phthalates free RoHS compliant material 100% silicone. Butt plug size length 6.375 inches, width 1.75 inches, circumference 5.625 inches. Rechargeable vibrating butt plug. Charging time 2 hours. Working time 2 hours.