Solar Panel 0.3 W 45 x 65 mm,Ni-MH Battery 12V/800 mAh. Visual Distance. 1500 Meter. Water Proof. More Than IP 68. LED Color. Red / Yellow. This shank road stud is designed to larger size and equipped with a large solar panel. The special mix glue can protect reflectors make the compression resistance ability higher.The small magnet switch