The batteries will be included when shipped, so you can use it immediately. Features: LED light Light Source Type: LED Included Components: Battery Product Dimensions: 26 depth x 30 width x 50 height mm Size: Main unit: approx. 30mm wide x 26mm deep x 50mm high, Neck holder: approx. φ215mm Weight: Approx. 40g (including Panasonic coin-type lithium batteries) Power Source: CR2032 x 2 (batteries included) Accessories: 2 Panasonic coin-type lithium batteries Stylish LED light that can be used casually in the city LED with wide irradiation illuminates hands and feet brightly