4X DC-DC 12V Step Up to 24V 3A 72W Car Power Converter Regulator Model: 12V-24V 72W;Type DC Switching Regulator Output Current: 3 (A);Input voltage: 12 (V) Output voltage: 24 (V);Output Power: 72 (W) Operating temperature: -45 Celsius to + 85 Celsius Conversion efficiency: 94%;Cable length: 16cm can be unstable 8-16V DC power adapter Changed to stable 24V DC power output, conversion rate of 94% high quality thermal silica potting, waterproof, dustproof, shockproof effect High-quality components, aluminum shell package, small size, simple installation Wiring: Input: red (+) positive and black (-) negative Onput: yellow (+) positive and black (-) negative Suitable for: Widely used in automobiles, a little, communications, electricity, coal, aerospace surveillance systems, railway signals, equipment, instrumentation, and other fields Material: Aluminum + Silicon Package contains: 4x power converter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.