Switching Power Adapter 12 VDC 500 mA with Screw Terminals and LED - Designed for 12VDC operation in CCTV and alarm applications, this UL and CSA listed AC to DC switching power supply features screw terminal connections, precision power regulation, LED supervision, and short circuit/over voltage protection Features +++Input: 100V-240V 50~60Hz +++Output: Regulated 12VDC; 500mA +++Two Screw Terminal Outputs +++Short Circuit Protection, Over Voltage Protection +++FCC Approved +++Ultra Lightweight +++Dimensions: 2.0 in. x 3.75 in. x 1.50 in.