Features: Waterproof, Heatproof, Shockproof, Anti-Electronic Interference and Constant Power Output Best used for large vehicles such as trucks, tractors, buses, trailers, off-road, 4X4, 4WD, heavy-duty automotive, and engineering applications Not suitable for cars or motorcycles Specification: Housing color: Black Material: Aluminum shell Input Voltage Range: 9-18V DC Normal Input Voltage: 12V DC Output Voltage: AC Max. Start Voltage: 23KV Cool Starting Current: Less than 10A MAX Normal Input Current: Approx. 8.5A Output Power: 100W (Theoretical Maximum Rated Wattage) Output Voltage: 70-140V AC True RMS Square Wave Operating Temperature: -40 to +105 degrees Celsius Efficiency: Greater than 87% under 13.2V DC input condition Package Contents: 1 x Ballast 1 x Box Note: Only the above package content is included; other items are not part of the package. Lighting and display differences may cause slight variations in color between the product image and the actual item. Measurement allows an error of +/- 1-3 cm.