View 16 Photos View 0 Videos 2017 Solar Tech Silent Sentinel Portable Arrow Board Newly Listed At auction Apr. 15 2017 Solar Tech Silent Sentinel Portable Arrow Board, s/n 4GM1A0911H1526529, battery powered, (No Title) (Inoperable Per Seller, Arrow Board Damaged) NOTE: This unit is being sold AS... ConditionUsedStock NumberPD790 MLS Number14296674CategoryTraffic Control / Arrow / Message Boards Last Updated4/8/2026 LocationPlymouth Meeting, PA, US Listed ByJJ Kane Auctions Email Seller Save More Info