Manager Chris Kinnear has made his first summer signing with former Ross County striker Inih Effiong making the move to Crabble.
The 27-year-old Londoner made three appearances for the Scottish Premiership side after signing from Woking for an undisclosed fee in January.
Effiong joined Woking in May 2017 and scored on his debut in the 2-1 win against Gateshead on the opening day of last season.
He scored 10 goals for the Cards in 35 appearances before making the move to Scotland.
Before joining Woking, the 6ft 3ins Effiong played for Biggleswade Town in the Southern Premier League where he scored 23 goals in the first half of the 2016/17 season and that form earned him a move to Barrow AFC.
He started his career at St Albans City in 2008, and also had spells at Boreham Wood and Chesham United.
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