1DURABLE MATERIALS: The booster power supply is made of excellent aluminum alloy housing, possess high strength, durability and corrosion resistance 2GOOD HEAT DISSIPATION: Boost converter come with heat dissipation hole design, improve flame retardant, toughness and strength, can realize better heat conduction, heat dissipation, dustproof, shockproof 3PROTECTION FUNCTION: On board voltage converter convert unstable voltage into stable voltage output. And built in overload, overheating, multiple voltage and short circuit protection and other multiple protection 4PERFECT REPLACEMENT: DC to DC converter is easy to install, can be used in different areas, easy for you to use, and are also a good replacement for old or broken ones 5WIDELY USED: Step up power converter is suitable for car audio, walkie talkie, LED, radio, taxi advertising, monitoring system, vehicle display, truck, bus