Description: All epoxy sealed containers with Waterproof Housing; Non-isolated High efficiency: >96%; Reliable, low heat dissipation max. 40 ?; With overload / over-current / over / low voltage protection, stable performance. Light compact, convenient to use and transport; Auto recovery Widely used in Car device, such as LED Display, Hard Disk Player, MP3, DVD, GPS, etc Specification: Input voltage:48V (20-60V) Output voltage: DC12V Output Current: 15A (rated long-term operating current) Output Power:180W (MAX) Operating temperature: Industrial grade (-45 ? to + 85 ?) Full temperature: 45 ? Short circuit protection: None (Please enter the installation of fuses or circuit protection) Input reverse polarity protection: no, you can enter the series diode. Volume 75* 74 * 31 (L * W * H) Package Includes: 1 Piece DC buck converter