Buyers Products Combination 4 Inch LED Stop/Turn/Tail, Backup, and Strobe Light packs a DOT stop/turn/tail, DOT backup, and warning strobe into a single all-purpose fixture. This versatile light is CA13 certified and rated IP69K for extreme dust resistance and waterproofing. The Stop/Turn/Tail and Backup functions meet FMVSS/CMVSS 108 regulations. The strobe features 19 flash patterns and is rated SAE Class 1 J595 Class 1. It also has synchronous and alternating capabilities when paired with other strobes. Multiple mounting options are included for your convenience. The light fits standard 4 in. grommets and can also be surface mounted. All mounting hardware is included. The light has 7-3/4 in. leads with blunt cut ends.