Compatible LightsThis installation accessories set is ONLY compatible with 8mm width COB LED Strip lights(Not applicable to 10 mm board width and CCT Tunable COB LED Strip Lights).The transparent middle connector will not block the light.Only compatible with 8mm wide COB strips, other sizes are not applicable Solderless Extendable ConnectorsUsing this cob led strip extension kit you can extend your strip light's length to the power supply or connector, eliminating the issue of limited space. These accessories let you extend and connect light strips, extend the connection between the strip light and controller/power supply, and let you achieve a corner connection 5 Types of Mounting Accessories Included4pcs of transparent gapless middle connectors,4pcs of Dual End jumpers with 6.7in/17cm 22AWG UL-Listed extension wire,1pc of Single End to DC Female Plug with 7.9in/20cm 22AWG UL-Listed extension wire,2pcs L-shaped/corner connectors,1pc T-shaped connector Easy to UseUPGR