Check the listing for details. DC 12V to DC 5V 1A 5W Power Converter Regulator Plastic Shell for LED System. Condition: New. Listed at 12.47 USD. What is this?The power converter regulator is made of plastic, used in a wide range of applications including LED advertising, security systems, power equipment, telecommunications, etc.What will I get?The power converter regulator, we provide here, is in size of: Input Rated Voltage: DC 12V; Output: DC 5V 1A 5W; Size: 63mm x 27mm x 14mm/2.48 inch x 1.06 inch x 0.55(L*W*H); Wire Length: 13cmIn the package of 1 x voltage converter regulatorAre there any advantages of the product?The voltage regulator comes with over-current protection, over-temperature protection; adopts potting technology, characterized by waterproof, dust-proof, moisture-proof and shock-proof, can be used in various situations such as outdoor, underground, etc.How to use?The wire connect method is in the picture, please read carefully before you use it.