Striker Power Connection wire for the Trail Tech Striker computer. White connector snaps into mating connector on computer. Red and black leads are wired into vehicle electrical system (polarity independent). Computers operate in the range of 6.0 - 400 VAC/VDC, but will not draw enough power to drain a vehicle battery. Sold individually. Detailed Specifications: Power for tachometer: For Vapor, Striker or Vector. Wire length: 1200 mm (48").