installs under mirror , left or right side. Wires can be connected in any way. Polarity doesn't matter. Manufactured with high quality wire, and resins at our shop in the usamade and tested to withstand high or low weather temperatures
All sensors are tested before shipping out to ensure highest qualitymade to last Free shipping within the USAOrders placed before 4 P.M Central Daylight Time are processed the same day.