... (use glue No502).drive Item No.driveDrive LengthTwinkling stateB3-1DC3V,single-channel output, accessories : 1connector1-2 mtwinkling,steady lightB3-2DC3V, three-channels ... output,Accessories: 3conectors.1-2 m3color alternate twinkling.B12-1DC12V, single-channel output,with battery box ,accessories:1connector1-10 mtwinkling,steady lightB12 ...