size in 4cm L * 2cm W * 1.5cm H, led finger ring, including 3pc AG3 batteries, differ color fing ring including differ light. 1. finger ring size in 4cm L * 2cm W * 1.5cm H, including stretch belt which wear in the finger.2. including 3pc 1.5V AG 3 batteries.3. differ finger ring is differ color light, such as red finger ring is red light, white finger ring including white light, blue is blue ...