This listing is for a single rounded rectangular trailer light. OEM quality, ideal for new builds and refurbs. Offside (Right hand) fitment in the UK. Functions; Brake Light, Indicator, Tail Light, Numberplate illumination, Reverse Light and Triangle Reflector AJBA 20mm Round 5 pin quick plug fits many common trailer wiring looms or the lamp can be hard wired via the supplied rubber grommet and standard spade terminals. If you are not sure if this light will fit your trailer, disconnect the wiring loom and measure the diameter of the connector on the back of your light. This light has a 20mm diameter connection. Requires 2 x Single Contact 21w Bulb and 2 x Dual Contact 5w/21w Bulb (Included) 'E' Marked. Size; 235mm x 135mm x 55mm Deep. Includes Mounting Studs and nuts.