Product Scene Rail Transit Traffic Light Signal Light Accessories Wooden Track Magnetic Train Accessories for Trains Features: brand new and high quality It can be spliced with wooden tracks. Press the switch, the red light is on, it turns green after 10s and it turns off after 5s It comes with a battery, which can be used after pulling the back pack out satisfaction guarantee, please contact me if you have any questions. Power : 3 x AG13 button cell batteries (included). Color: see the pictures Material: plastic Sales method : Retail, Wholesale, Drop Shipping Size: One Size Length: 13.5cm (5.31inch) Width: 9.5cm (3.74inch)Height: 7cm (2.76inch) Quantity: 1pc Note: If you have large quantity (only need above 50 dollars), please contact me, I will give you SURPRISED PRICE (the more quantity, the lower price), thank you! Size For manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the image may not reflect the actual color of the item. Tick! Package includes: (Without retail package) 1 x Signal Light < /div>