(2) LED Submersible Combination Trailer Tail Lights Boat & (2) Red Side Marker Rectangle LED trailer lights (2) Red 3/4" Side marker lights Right light has 18 LEDs (12 face, 6 side);Left/streetside light has 22 LEDs (12 face, 6 side, 4 bottom) Submersible trailer lights are each 8" x 2-3/4"; Side marker lights are each 1.05" diameter x .5" depth, (fits in 3/4" hole) Tail Lights: Three wire connection; Round Lights: Two wire connection Heavy Duty No-Rust Automotive Grade Plastic with Rust-Resistant Metal Fittings