That's right... 8 levels of powerful stimulation delivered by the Double Action Arousers! The silver bullets have an exquisitely textured, soft, supple, removable Silicone purple sleeves. The easy touch control pads with LED displays have a contoured case for ergonomic versatility. Uses 4 AA size batteries, not included. The power behind the Double Action Arousers is indescribable... it will take your breath away! Twice!