The main shaft on this rabbit vibrator warms up to 104 degrees Fahrenheit. There are two powerful motors, one in the main shaft and one in the rabbit shaped clit stimulator. There are 12 vibration modes easily controlled with push buttons on the handle. It is waterproof, and no batteries are needed as it is rechargeable. Just plug the USB charging cord in it, and it will fully charge in 2.5 hours. Once charged it provides about 1 hour of stimulation. It is phthalate free, non-porous and body safe.