This is a 2 in 1 Vibrating Body and Scalp Massager, featuring 2 attachments for full body deep tissue massage and scalp massage. Helps promote hair growth and relaxes your entire body. An easy-grip handle allows you to effectively massage your scalp and body. Requires 2 AA batteries (not included). Contains a 2-in-1 vibrating massager, a user manual, and a 1-year warranty card. Massager measures 4 1/2 x 3 1/4 in. Attachment scalp massager head measures 4 5/8 x 3 3/8 in.