Magnetic wireless light clusters give essential light functions with no wiring required. Suitable for metal trailers and farming vehicles up to 20m long. Designed and manufactured for trailer, lorry, agricultural machinery, tractor, and other vehicles. EU Plug wiring configurations and vehicles fitted with a 7-pin plug towing trailers. Includes wireless transmitter that works with 7-pin plugs only. Three functions: brake, indicator, and taillight. 5-Functions: brake lights, rear turn signal lights, rear position lights, license plate lights, and return reflectors. Dual USB charging cable supplied allowing for both lights to be charged simultaneously. Supplied in storage case.