Description: This board uses full-wave bridge rectifier, AC or DC can be entered, and the input regardless of positive and negative electrodes. Input Voltage: DC/AC, 15V-24V The Output Voltage: 12V Output Maximum Current: 1.2A Easy installation with mounting hole. Package Includes: 1 Piece Three-terminal Voltage Regulator Module Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !