underground solar pavement markers with 6 bolts 30T Compression Reflective film: NOKIN Engineering grade or NOKIN diamond grade Size: 600mm, 800mm, 1000mm or custom LED Color: Red, yellow or white Flashing frequency: 50±2/min Solar panel: 15V/8W or custom Battery: 12V/8Ah or custom Quote Now Cast Aluminum Solar Reflective Pavement Markers For Walkway