["Scene Rail Transit Traffic Lights Signal Light Accessories Wooden Track Magnetic Train Accessories forTrains\nFeatures:\nbrand new and high quality\n★It can be spliced with wooden tracks.\n★Press the switch, the red light is on, it turns green after 10s, and it turns off after 5s\n★It comes with a battery, which can be used after pulling out the back gasket\n★ satisfaction guarantee, please contact me if you have any questions.\n\nPower supply: 3 x AG13 button cell batteries(included). \nColor: see the pictures\nMaterial:plastic\nSales Way : Retail, Wholesal,Drop Shipping\nsize: One Size\nLength:13.5cm(5.31in)\nWidth:9.5cm(3.74in)\nHeight:7cm(2.76in)\nQuantity: 1PC \n Note:\n\nSize For Manual Measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\nPackage includes: (Without retail package)\n1 x Signal Light"]