Colorful design strawberry princess penlight, with a strap for easy carrying. - Model Name: Strawberry Princess Penlight - Color: Pink - Design: Colorful letters and stars design in a transparent tube - Strap: With strap Thank you for viewing. Batteries are included. I'm not sure how much battery life is left, but it worked when I listed it. There is no instruction manual. It seems you can turn it on and off by long-pressing the bottom. This is a used item, so please consider purchasing only if you understand this. I do not accept price negotiations, so please understand.