Solar traffic light, solar road stud. 1, PC material. 2, Glue installation / screw installation. Solar traffic light, solar road stud. Specification.1, powered by mono solar panel 2.5V/100MA.2, built-in rechargeable battery 700mAH NI-MH battery.3, two pieces red, yellow LEDs.4, PC material.5, Glue installation / screw installation.