solar traffic light 1.Srong Aluminium Alloy Shell 2.Portable,security,environmental solar road stud traffic lightMAIN PARAMETERS Material: Aluminum alloy shell , Panel: ... Ni-Mh rechangeable battery (1.2V), Light source 6pcs super bright LED, 2 Transparent plastic shell, 1 circuit board ... . Light intensity : 8000 mcd Color: red, yellow, green, blue LED Charging period: 8 hours / ...